20704959

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5101}}^1$

素因数の和:5159

約数の個数: 24

約数和(自身を含む): 33428304

約数和(自身を除く): 12723345

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 369, 451, 1353, 4059, 5101, 15303, 45909, 56111, 168333, 209141, 504999, 627423, 1882269, 2300551, 6901653, 20704959]

約数ペア:

[(1, 20704959), (3, 6901653), (9, 2300551), (11, 1882269), (33, 627423), (41, 504999), (99, 209141), (123, 168333), (369, 56111), (451, 45909), (1353, 15303), (4059, 5101)]