20774338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{3109}}^1$

素因数の和:3381

約数の個数: 16

約数和(自身を含む): 33699960

約数和(自身を除く): 12925622

約数列:

[1, 2, 13, 26, 257, 514, 3109, 3341, 6218, 6682, 40417, 80834, 799013, 1598026, 10387169, 20774338]

約数ペア:

[(1, 20774338), (2, 10387169), (13, 1598026), (26, 799013), (257, 80834), (514, 40417), (3109, 6682), (3341, 6218)]