20157095

素因数分解:

$5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{3329}}^1$

素因数の和:3514

約数の個数: 16

約数和(自身を含む): 27812160

約数和(自身を除く): 7655065

約数列:

[1, 5, 7, 35, 173, 865, 1211, 3329, 6055, 16645, 23303, 116515, 575917, 2879585, 4031419, 20157095]

約数ペア:

[(1, 20157095), (5, 4031419), (7, 2879585), (35, 575917), (173, 116515), (865, 23303), (1211, 16645), (3329, 6055)]