68872220

素因数分解:

$2^2\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{2341}}^1$

素因数の和:3821

約数の個数: 24

約数和(自身を含む): 144791808

約数和(自身を除く): 75919588

約数列:

[1, 2, 4, 5, 10, 20, 1471, 2341, 2942, 4682, 5884, 7355, 9364, 11705, 14710, 23410, 29420, 46820, 3443611, 6887222, 13774444, 17218055, 34436110, 68872220]

約数ペア:

[(1, 68872220), (2, 34436110), (4, 17218055), (5, 13774444), (10, 6887222), (20, 3443611), (1471, 46820), (2341, 29420), (2942, 23410), (4682, 14710), (5884, 11705), (7355, 9364)]