20149385

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{409}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 24796800

約数和(自身を除く): 4647415

約数列:

[1, 5, 59, 167, 295, 409, 835, 2045, 9853, 24131, 49265, 68303, 120655, 341515, 4029877, 20149385]

約数ペア:

[(1, 20149385), (5, 4029877), (59, 341515), (167, 120655), (295, 68303), (409, 49265), (835, 24131), (2045, 9853)]