20659872

素因数分解:

$2^5\times 3^1\times {\mathrm{307}}^1\times {\mathrm{701}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 54486432

約数和(自身を除く): 33826560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 307, 614, 701, 921, 1228, 1402, 1842, 2103, 2456, 2804, 3684, 4206, 4912, 5608, 7368, 8412, 9824, 11216, 14736, 16824, 22432, 29472, 33648, 67296, 215207, 430414, 645621, 860828, 1291242, 1721656, 2582484, 3443312, 5164968, 6886624, 10329936, 20659872]

約数ペア:

[(1, 20659872), (2, 10329936), (3, 6886624), (4, 5164968), (6, 3443312), (8, 2582484), (12, 1721656), (16, 1291242), (24, 860828), (32, 645621), (48, 430414), (96, 215207), (307, 67296), (614, 33648), (701, 29472), (921, 22432), (1228, 16824), (1402, 14736), (1842, 11216), (2103, 9824), (2456, 8412), (2804, 7368), (3684, 5608), (4206, 4912)]