20609740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27851}}^1$

素因数の和:27897

約数の個数: 24

約数和(自身を含む): 44451792

約数和(自身を除く): 23842052

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27851, 55702, 111404, 139255, 278510, 557020, 1030487, 2060974, 4121948, 5152435, 10304870, 20609740]

約数ペア:

[(1, 20609740), (2, 10304870), (4, 5152435), (5, 4121948), (10, 2060974), (20, 1030487), (37, 557020), (74, 278510), (148, 139255), (185, 111404), (370, 55702), (740, 27851)]