20355951

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{8011}}^1$

素因数の和:8043

約数の個数: 24

約数和(自身を含む): 34099072

約数和(自身を除く): 13743121

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 8011, 24033, 56077, 88121, 168231, 264363, 616847, 969331, 1850541, 2907993, 6785317, 20355951]

約数ペア:

[(1, 20355951), (3, 6785317), (7, 2907993), (11, 1850541), (21, 969331), (33, 616847), (77, 264363), (121, 168231), (231, 88121), (363, 56077), (847, 24033), (2541, 8011)]