20997334

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{2221}}^1$

素因数の和:2415

約数の個数: 16

約数和(自身を含む): 32796720

約数和(自身を除く): 11799386

約数列:

[1, 2, 29, 58, 163, 326, 2221, 4442, 4727, 9454, 64409, 128818, 362023, 724046, 10498667, 20997334]

約数ペア:

[(1, 20997334), (2, 10498667), (29, 724046), (58, 362023), (163, 128818), (326, 64409), (2221, 9454), (4442, 4727)]