20464810

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4861}}^1$

素因数の和:5289

約数の個数: 16

約数和(自身を含む): 36931752

約数和(自身を除く): 16466942

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 4861, 9722, 24305, 48610, 2046481, 4092962, 10232405, 20464810]

約数ペア:

[(1, 20464810), (2, 10232405), (5, 4092962), (10, 2046481), (421, 48610), (842, 24305), (2105, 9722), (4210, 4861)]