20930178241

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{285553}}^1$

素因数の和:285880

約数の個数: 16

約数和(自身を含む): 24653590144

約数和(自身を除く): 3723411903

約数列:

[1, 7, 37, 259, 283, 1981, 10471, 73297, 285553, 1998871, 10565461, 73958227, 80811499, 565680493, 2990025463, 20930178241]

約数ペア:

[(1, 20930178241), (7, 2990025463), (37, 565680493), (259, 80811499), (283, 73958227), (1981, 10565461), (10471, 1998871), (73297, 285553)]