what is an abundant number
2 answers
http://www.google.com/search?hl=en&rlz=1G1GGLQ_ENUS308&defl=en&q=define:Abundant+number&sa=X&ei=PZKOTPCZIsGqlAf239XmAg&ved=0CBIQkAE
It is a number n whose sum of divisors, σ, exceeds 2 times the number itself.
That is to say:
&sigma(n)>2n
Example: 24 is an abundant number.
Ref: see
http://en.wikipedia.org/wiki/Abundant_number
That is to say:
&sigma(n)>2n
Example: 24 is an abundant number.
Ref: see
http://en.wikipedia.org/wiki/Abundant_number
3 answers