20170556

素因数分解:

$2^2\times 7^2\times {\mathrm{102911}}^1$

素因数の和:102929

約数の個数: 18

約数和(自身を含む): 41061888

約数和(自身を除く): 20891332

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 102911, 205822, 411644, 720377, 1440754, 2881508, 5042639, 10085278, 20170556]

約数ペア:

[(1, 20170556), (2, 10085278), (4, 5042639), (7, 2881508), (14, 1440754), (28, 720377), (49, 411644), (98, 205822), (196, 102911)]