20191580120

素因数分解:

$2^3\times 5^1\times {\mathrm{504789503}}^1$

素因数の和:504789514

約数の個数: 16

約数和(自身を含む): 45431055360

約数和(自身を除く): 25239475240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504789503, 1009579006, 2019158012, 2523947515, 4038316024, 5047895030, 10095790060, 20191580120]

約数ペア:

[(1, 20191580120), (2, 10095790060), (4, 5047895030), (5, 4038316024), (8, 2523947515), (10, 2019158012), (20, 1009579006), (40, 504789503)]