20512310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22541}}^1$

素因数の和:22568

約数の個数: 32

約数和(自身を含む): 45444672

約数和(自身を除く): 24932362

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 22541, 45082, 112705, 157787, 225410, 293033, 315574, 586066, 788935, 1465165, 1577870, 2051231, 2930330, 4102462, 10256155, 20512310]

約数ペア:

[(1, 20512310), (2, 10256155), (5, 4102462), (7, 2930330), (10, 2051231), (13, 1577870), (14, 1465165), (26, 788935), (35, 586066), (65, 315574), (70, 293033), (91, 225410), (130, 157787), (182, 112705), (455, 45082), (910, 22541)]