20120389918

素因数分解:

$2^1\times {\mathrm{1637}}^1\times {\mathrm{2221}}^1\times {\mathrm{2767}}^1$

素因数の和:6627

約数の個数: 16

約数和(自身を含む): 30223537344

約数和(自身を除く): 10103147426

約数列:

[1, 2, 1637, 2221, 2767, 3274, 4442, 5534, 3635777, 4529579, 6145507, 7271554, 9059158, 12291014, 10060194959, 20120389918]

約数ペア:

[(1, 20120389918), (2, 10060194959), (1637, 12291014), (2221, 9059158), (2767, 7271554), (3274, 6145507), (4442, 4529579), (5534, 3635777)]