20512338728

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6004783}}^1$

素因数の和:6004857

約数の個数: 32

約数和(自身を含む): 44675592960

約数和(自身を除く): 24163254232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 6004783, 12009566, 24019132, 42033481, 48038264, 84066962, 168133924, 336267848, 366291763, 732583526, 1465167052, 2564042341, 2930334104, 5128084682, 10256169364, 20512338728]

約数ペア:

[(1, 20512338728), (2, 10256169364), (4, 5128084682), (7, 2930334104), (8, 2564042341), (14, 1465167052), (28, 732583526), (56, 366291763), (61, 336267848), (122, 168133924), (244, 84066962), (427, 48038264), (488, 42033481), (854, 24019132), (1708, 12009566), (3416, 6004783)]