20704635

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{65729}}^1$

素因数の和:65747

約数の個数: 24

約数和(自身を含む): 41015520

約数和(自身を除く): 20310885

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 65729, 197187, 328645, 460103, 591561, 985935, 1380309, 2300515, 2957805, 4140927, 6901545, 20704635]

約数ペア:

[(1, 20704635), (3, 6901545), (5, 4140927), (7, 2957805), (9, 2300515), (15, 1380309), (21, 985935), (35, 591561), (45, 460103), (63, 328645), (105, 197187), (315, 65729)]