20335959

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7873}}^1$

素因数の和:7927

約数の個数: 24

約数和(自身を含む): 34393632

約数和(自身を除く): 14057673

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 7873, 23619, 55111, 70857, 165333, 322793, 495999, 968379, 2259551, 2905137, 6778653, 20335959]

約数ペア:

[(1, 20335959), (3, 6778653), (7, 2905137), (9, 2259551), (21, 968379), (41, 495999), (63, 322793), (123, 165333), (287, 70857), (369, 55111), (861, 23619), (2583, 7873)]