20216918897

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1637}}^1\times {\mathrm{92857}}^1$

素因数の和:94520

約数の個数: 16

約数和(自身を含む): 24336224640

約数和(自身を除く): 4119305743

約数列:

[1, 7, 19, 133, 1637, 11459, 31103, 92857, 217721, 649999, 1764283, 12349981, 152006909, 1064048363, 2888131271, 20216918897]

約数ペア:

[(1, 20216918897), (7, 2888131271), (19, 1064048363), (133, 152006909), (1637, 12349981), (11459, 1764283), (31103, 649999), (92857, 217721)]