20106878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9049}}^1$

素因数の和:9163

約数の個数: 16

約数和(自身を含む): 33231600

約数和(自身を除く): 13124722

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 9049, 18098, 99539, 199078, 913949, 1827898, 10053439, 20106878]

約数ペア:

[(1, 20106878), (2, 10053439), (11, 1827898), (22, 913949), (101, 199078), (202, 99539), (1111, 18098), (2222, 9049)]