20120158340

素因数分解:

$2^2\times 5^1\times {\mathrm{1006007917}}^1$

素因数の和:1006007926

約数の個数: 12

約数和(自身を含む): 42252332556

約数和(自身を除く): 22132174216

約数列:

[1, 2, 4, 5, 10, 20, 1006007917, 2012015834, 4024031668, 5030039585, 10060079170, 20120158340]

約数ペア:

[(1, 20120158340), (2, 10060079170), (4, 5030039585), (5, 4024031668), (10, 2012015834), (20, 1006007917)]