201771020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{917141}}^1$

素因数の和:917161

約数の個数: 24

約数和(自身を含む): 462239568

約数和(自身を除く): 260468548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 917141, 1834282, 3668564, 4585705, 9171410, 10088551, 18342820, 20177102, 40354204, 50442755, 100885510, 201771020]

約数ペア:

[(1, 201771020), (2, 100885510), (4, 50442755), (5, 40354204), (10, 20177102), (11, 18342820), (20, 10088551), (22, 9171410), (44, 4585705), (55, 3668564), (110, 1834282), (220, 917141)]