201597820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{245851}}^1$

素因数の和:245901

約数の個数: 24

約数和(自身を含む): 433682928

約数和(自身を除く): 232085108

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 245851, 491702, 983404, 1229255, 2458510, 4917020, 10079891, 20159782, 40319564, 50399455, 100798910, 201597820]

約数ペア:

[(1, 201597820), (2, 100798910), (4, 50399455), (5, 40319564), (10, 20159782), (20, 10079891), (41, 4917020), (82, 2458510), (164, 1229255), (205, 983404), (410, 491702), (820, 245851)]