20691372

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{132637}}^1$

素因数の和:132657

約数の個数: 24

約数和(自身を含む): 51994096

約数和(自身を除く): 31302724

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 132637, 265274, 397911, 530548, 795822, 1591644, 1724281, 3448562, 5172843, 6897124, 10345686, 20691372]

約数ペア:

[(1, 20691372), (2, 10345686), (3, 6897124), (4, 5172843), (6, 3448562), (12, 1724281), (13, 1591644), (26, 795822), (39, 530548), (52, 397911), (78, 265274), (156, 132637)]