20178872817

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{823}}^1\times {\mathrm{220889}}^1$

素因数の和:221752

約数の個数: 16

約数和(自身を含む): 27666030720

約数和(自身を除く): 7487157903

約数列:

[1, 3, 37, 111, 823, 2469, 30451, 91353, 220889, 662667, 8172893, 24518679, 181791647, 545374941, 6726290939, 20178872817]

約数ペア:

[(1, 20178872817), (3, 6726290939), (37, 545374941), (111, 181791647), (823, 24518679), (2469, 8172893), (30451, 662667), (91353, 220889)]