201192820

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{10151}}^1$

素因数の和:11151

約数の個数: 24

約数和(自身を含む): 422972928

約数和(自身を除く): 221780108

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 10151, 19820, 20302, 40604, 50755, 101510, 203020, 10059641, 20119282, 40238564, 50298205, 100596410, 201192820]

約数ペア:

[(1, 201192820), (2, 100596410), (4, 50298205), (5, 40238564), (10, 20119282), (20, 10059641), (991, 203020), (1982, 101510), (3964, 50755), (4955, 40604), (9910, 20302), (10151, 19820)]