20155271480

素因数分解:

$2^3\times 5^1\times {\mathrm{503881787}}^1$

素因数の和:503881798

約数の個数: 16

約数和(自身を含む): 45349360920

約数和(自身を除く): 25194089440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503881787, 1007763574, 2015527148, 2519408935, 4031054296, 5038817870, 10077635740, 20155271480]

約数ペア:

[(1, 20155271480), (2, 10077635740), (4, 5038817870), (5, 4031054296), (8, 2519408935), (10, 2015527148), (20, 1007763574), (40, 503881787)]