20393288

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{82231}}^1$

素因数の和:82268

約数の個数: 16

約数和(自身を含む): 39471360

約数和(自身を除く): 19078072

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 82231, 164462, 328924, 657848, 2549161, 5098322, 10196644, 20393288]

約数ペア:

[(1, 20393288), (2, 10196644), (4, 5098322), (8, 2549161), (31, 657848), (62, 328924), (124, 164462), (248, 82231)]