20125175

素因数分解:

$5^2\times 7^1\times {\mathrm{115001}}^1$

素因数の和:115018

約数の個数: 12

約数和(自身を含む): 28520496

約数和(自身を除く): 8395321

約数列:

[1, 5, 7, 25, 35, 175, 115001, 575005, 805007, 2875025, 4025035, 20125175]

約数ペア:

[(1, 20125175), (5, 4025035), (7, 2875025), (25, 805007), (35, 575005), (175, 115001)]