Amicable Numbers Calculator

Calculate amicable numbers (sum of all their divisors is equal to the other number), pair sum using amicable number calculator online.

Formula:

Amicable = s(m) = n ; s(n) = m
Amicable Pair = σ(n) = σ(m) = s(m)+s(n)

where:
s(n)= σ(n) - n
s(m)= σ(m) - m