20490660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113837}}^1$

素因数の和:113852

約数の個数: 36

約数和(自身を含む): 62155548

約数和(自身を除く): 41664888

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 113837, 227674, 341511, 455348, 569185, 683022, 1024533, 1138370, 1366044, 1707555, 2049066, 2276740, 3415110, 4098132, 5122665, 6830220, 10245330, 20490660]

約数ペア:

[(1, 20490660), (2, 10245330), (3, 6830220), (4, 5122665), (5, 4098132), (6, 3415110), (9, 2276740), (10, 2049066), (12, 1707555), (15, 1366044), (18, 1138370), (20, 1024533), (30, 683022), (36, 569185), (45, 455348), (60, 341511), (90, 227674), (180, 113837)]