20790567

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2683}}^1$

素因数の和:2740

約数の個数: 32

約数和(自身を含む): 36072960

約数和(自身を除く): 15282393

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 2683, 7749, 8049, 18781, 24147, 56343, 72441, 110003, 169029, 330009, 507087, 770021, 990027, 2310063, 2970081, 6930189, 20790567]

約数ペア:

[(1, 20790567), (3, 6930189), (7, 2970081), (9, 2310063), (21, 990027), (27, 770021), (41, 507087), (63, 330009), (123, 169029), (189, 110003), (287, 72441), (369, 56343), (861, 24147), (1107, 18781), (2583, 8049), (2683, 7749)]