20928674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5791}}^1$

素因数の和:5945

約数の個数: 16

約数和(自身を含む): 34056960

約数和(自身を除く): 13128286

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 5791, 11582, 75283, 150566, 804949, 1609898, 10464337, 20928674]

約数ペア:

[(1, 20928674), (2, 10464337), (13, 1609898), (26, 804949), (139, 150566), (278, 75283), (1807, 11582), (3614, 5791)]