20796606

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 46750704

約数和(自身を除く): 25954098

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 97, 129, 194, 258, 277, 291, 387, 554, 582, 774, 831, 873, 1662, 1746, 2493, 4171, 4986, 8342, 11911, 12513, 23822, 25026, 26869, 35733, 37539, 53738, 71466, 75078, 80607, 107199, 161214, 214398, 241821, 483642, 1155367, 2310734, 3466101, 6932202, 10398303, 20796606]

約数ペア:

[(1, 20796606), (2, 10398303), (3, 6932202), (6, 3466101), (9, 2310734), (18, 1155367), (43, 483642), (86, 241821), (97, 214398), (129, 161214), (194, 107199), (258, 80607), (277, 75078), (291, 71466), (387, 53738), (554, 37539), (582, 35733), (774, 26869), (831, 25026), (873, 23822), (1662, 12513), (1746, 11911), (2493, 8342), (4171, 4986)]