20771643

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1499}}^1$

素因数の和:1682

約数の個数: 16

約数和(自身を含む): 28800000

約数和(自身を除く): 8028357

約数列:

[1, 3, 31, 93, 149, 447, 1499, 4497, 4619, 13857, 46469, 139407, 223351, 670053, 6923881, 20771643]

約数ペア:

[(1, 20771643), (3, 6923881), (31, 670053), (93, 223351), (149, 139407), (447, 46469), (1499, 13857), (4497, 4619)]