13306959620

素因数分解:

$2^2\times 5^1\times {\mathrm{665347981}}^1$

素因数の和:665347990

約数の個数: 12

約数和(自身を含む): 27944615244

約数和(自身を除く): 14637655624

約数列:

[1, 2, 4, 5, 10, 20, 665347981, 1330695962, 2661391924, 3326739905, 6653479810, 13306959620]

約数ペア:

[(1, 13306959620), (2, 6653479810), (4, 3326739905), (5, 2661391924), (10, 1330695962), (20, 665347981)]