20129040016

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{4019377}}^1$

素因数の和:4019698

約数の個数: 20

約数和(自身を含む): 39124625452

約数和(自身を除く): 18995585436

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 5008, 4019377, 8038754, 16077508, 32155016, 64310032, 1258065001, 2516130002, 5032260004, 10064520008, 20129040016]

約数ペア:

[(1, 20129040016), (2, 10064520008), (4, 5032260004), (8, 2516130002), (16, 1258065001), (313, 64310032), (626, 32155016), (1252, 16077508), (2504, 8038754), (5008, 4019377)]