20816807

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 23544864

約数和(自身を除く): 2728057

約数列:

[1, 11, 41, 101, 451, 457, 1111, 4141, 5027, 18737, 45551, 46157, 206107, 507727, 1892437, 20816807]

約数ペア:

[(1, 20816807), (11, 1892437), (41, 507727), (101, 206107), (451, 46157), (457, 45551), (1111, 18737), (4141, 5027)]