206445020

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{22391}}^1$

素因数の和:22861

約数の個数: 24

約数和(自身を含む): 434494368

約数和(自身を除く): 228049348

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 9220, 22391, 44782, 89564, 111955, 223910, 447820, 10322251, 20644502, 41289004, 51611255, 103222510, 206445020]

約数ペア:

[(1, 206445020), (2, 103222510), (4, 51611255), (5, 41289004), (10, 20644502), (20, 10322251), (461, 447820), (922, 223910), (1844, 111955), (2305, 89564), (4610, 44782), (9220, 22391)]