20304999

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1753}}^1$

素因数の和:1789

約数の個数: 40

約数和(自身を含む): 35655312

約数和(自身を除く): 15350313

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 297, 351, 429, 891, 1053, 1287, 1753, 3861, 5259, 11583, 15777, 19283, 22789, 47331, 57849, 68367, 141993, 173547, 205101, 250679, 520641, 615303, 752037, 1561923, 1845909, 2256111, 6768333, 20304999]

約数ペア:

[(1, 20304999), (3, 6768333), (9, 2256111), (11, 1845909), (13, 1561923), (27, 752037), (33, 615303), (39, 520641), (81, 250679), (99, 205101), (117, 173547), (143, 141993), (297, 68367), (351, 57849), (429, 47331), (891, 22789), (1053, 19283), (1287, 15777), (1753, 11583), (3861, 5259)]