20018730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{977}}^1$

素因数の和:1670

約数の個数: 32

約数和(自身を含む): 48164544

約数和(自身を除く): 28145814

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 683, 977, 1366, 1954, 2049, 2931, 3415, 4098, 4885, 5862, 6830, 9770, 10245, 14655, 20490, 29310, 667291, 1334582, 2001873, 3336455, 4003746, 6672910, 10009365, 20018730]

約数ペア:

[(1, 20018730), (2, 10009365), (3, 6672910), (5, 4003746), (6, 3336455), (10, 2001873), (15, 1334582), (30, 667291), (683, 29310), (977, 20490), (1366, 14655), (1954, 10245), (2049, 9770), (2931, 6830), (3415, 5862), (4098, 4885)]