20196538910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49259851}}^1$

素因数の和:49259899

約数の個数: 16

約数和(自身を含む): 37240448112

約数和(自身を除く): 17043909202

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 49259851, 98519702, 246299255, 492598510, 2019653891, 4039307782, 10098269455, 20196538910]

約数ペア:

[(1, 20196538910), (2, 10098269455), (5, 4039307782), (10, 2019653891), (41, 492598510), (82, 246299255), (205, 98519702), (410, 49259851)]