20551438222

素因数分解:

$2^1\times 7^1\times {\mathrm{10067}}^1\times {\mathrm{145819}}^1$

素因数の和:155895

約数の個数: 16

約数和(自身を含む): 35234778240

約数和(自身を除く): 14683340018

約数列:

[1, 2, 7, 14, 10067, 20134, 70469, 140938, 145819, 291638, 1020733, 2041466, 1467959873, 2935919746, 10275719111, 20551438222]

約数ペア:

[(1, 20551438222), (2, 10275719111), (7, 2935919746), (14, 1467959873), (10067, 2041466), (20134, 1020733), (70469, 291638), (140938, 145819)]