20172920

素因数分解:

$2^3\times 5^1\times {\mathrm{504323}}^1$

素因数の和:504334

約数の個数: 16

約数和(自身を含む): 45389160

約数和(自身を除く): 25216240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504323, 1008646, 2017292, 2521615, 4034584, 5043230, 10086460, 20172920]

約数ペア:

[(1, 20172920), (2, 10086460), (4, 5043230), (5, 4034584), (8, 2521615), (10, 2017292), (20, 1008646), (40, 504323)]