20213776827

素因数分解:

$3^3\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{19001}}^1$

素因数の和:19113

約数の個数: 48

約数和(自身を含む): 31699896480

約数和(自身を除く): 11486119653

約数列:

[1, 3, 9, 27, 31, 41, 93, 123, 279, 369, 837, 961, 1107, 1271, 2883, 3813, 8649, 11439, 19001, 25947, 34317, 39401, 57003, 118203, 171009, 354609, 513027, 589031, 779041, 1063827, 1767093, 2337123, 5301279, 7011369, 15903837, 18259961, 21034107, 24150271, 54779883, 72450813, 164339649, 217352439, 493018947, 652057317, 748658401, 2245975203, 6737925609, 20213776827]

約数ペア:

[(1, 20213776827), (3, 6737925609), (9, 2245975203), (27, 748658401), (31, 652057317), (41, 493018947), (93, 217352439), (123, 164339649), (279, 72450813), (369, 54779883), (837, 24150271), (961, 21034107), (1107, 18259961), (1271, 15903837), (2883, 7011369), (3813, 5301279), (8649, 2337123), (11439, 1767093), (19001, 1063827), (25947, 779041), (34317, 589031), (39401, 513027), (57003, 354609), (118203, 171009)]