20090011

素因数分解:

${\mathrm{19}}^3\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 16

約数和(自身を含む): 22154400

約数和(自身を除く): 2064389

約数列:

[1, 19, 29, 101, 361, 551, 1919, 2929, 6859, 10469, 36461, 55651, 198911, 692759, 1057369, 20090011]

約数ペア:

[(1, 20090011), (19, 1057369), (29, 692759), (101, 198911), (361, 55651), (551, 36461), (1919, 10469), (2929, 6859)]