20025999

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7753}}^1$

素因数の和:7807

約数の個数: 24

約数和(自身を含む): 33869472

約数和(自身を除く): 13843473

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 7753, 23259, 54271, 69777, 162813, 317873, 488439, 953619, 2225111, 2860857, 6675333, 20025999]

約数ペア:

[(1, 20025999), (3, 6675333), (7, 2860857), (9, 2225111), (21, 953619), (41, 488439), (63, 317873), (123, 162813), (287, 69777), (369, 54271), (861, 23259), (2583, 7753)]