187752020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{44491}}^1$

素因数の和:44711

約数の個数: 24

約数和(自身を含む): 396156768

約数和(自身を除く): 208404748

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 44491, 88982, 177964, 222455, 444910, 889820, 9387601, 18775202, 37550404, 46938005, 93876010, 187752020]

約数ペア:

[(1, 187752020), (2, 93876010), (4, 46938005), (5, 37550404), (10, 18775202), (20, 9387601), (211, 889820), (422, 444910), (844, 222455), (1055, 177964), (2110, 88982), (4220, 44491)]