2080678820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9457631}}^1$

素因数の和:9457651

約数の個数: 24

約数和(自身を含む): 4766646528

約数和(自身を除く): 2685967708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9457631, 18915262, 37830524, 47288155, 94576310, 104033941, 189152620, 208067882, 416135764, 520169705, 1040339410, 2080678820]

約数ペア:

[(1, 2080678820), (2, 1040339410), (4, 520169705), (5, 416135764), (10, 208067882), (11, 189152620), (20, 104033941), (22, 94576310), (44, 47288155), (55, 37830524), (110, 18915262), (220, 9457631)]