1320220820

素因数分解:

$2^2\times 5^1\times {\mathrm{3067}}^1\times {\mathrm{21523}}^1$

素因数の和:24599

約数の個数: 24

約数和(自身を含む): 2773496544

約数和(自身を除く): 1453275724

約数列:

[1, 2, 4, 5, 10, 20, 3067, 6134, 12268, 15335, 21523, 30670, 43046, 61340, 86092, 107615, 215230, 430460, 66011041, 132022082, 264044164, 330055205, 660110410, 1320220820]

約数ペア:

[(1, 1320220820), (2, 660110410), (4, 330055205), (5, 264044164), (10, 132022082), (20, 66011041), (3067, 430460), (6134, 215230), (12268, 107615), (15335, 86092), (21523, 61340), (30670, 43046)]