20173908965

素因数分解:

$5^1\times 7^1\times {\mathrm{15121}}^1\times {\mathrm{38119}}^1$

素因数の和:53252

約数の個数: 16

約数和(自身を含む): 27669630720

約数和(自身を除く): 7495721755

約数列:

[1, 5, 7, 35, 15121, 38119, 75605, 105847, 190595, 266833, 529235, 1334165, 576397399, 2881986995, 4034781793, 20173908965]

約数ペア:

[(1, 20173908965), (5, 4034781793), (7, 2881986995), (35, 576397399), (15121, 1334165), (38119, 529235), (75605, 266833), (105847, 190595)]