20105248891

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4700783}}^1$

素因数の和:4700850

約数の個数: 16

約数和(自身を含む): 25271414784

約数和(自身を除く): 5166165893

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 4700783, 32905481, 61110179, 220936801, 427771253, 1546557607, 2872178413, 20105248891]

約数ペア:

[(1, 20105248891), (7, 2872178413), (13, 1546557607), (47, 427771253), (91, 220936801), (329, 61110179), (611, 32905481), (4277, 4700783)]