20201940031

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{34159}}^1$

素因数の和:34343

約数の個数: 32

約数和(自身を含む): 25495930880

約数和(自身を除く): 5293990849

約数列:

[1, 7, 13, 67, 91, 97, 469, 679, 871, 1261, 6097, 6499, 8827, 34159, 45493, 84487, 239113, 444067, 591409, 2288653, 3108469, 3313423, 16020571, 23193961, 29752489, 43074499, 208267423, 221999341, 301521493, 1553995387, 2885991433, 20201940031]

約数ペア:

[(1, 20201940031), (7, 2885991433), (13, 1553995387), (67, 301521493), (91, 221999341), (97, 208267423), (469, 43074499), (679, 29752489), (871, 23193961), (1261, 16020571), (6097, 3313423), (6499, 3108469), (8827, 2288653), (34159, 591409), (45493, 444067), (84487, 239113)]