20122628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1327}}^1$

素因数の和:1571

約数の個数: 24

約数和(自身を含む): 37481472

約数和(自身を除く): 17358844

約数列:

[1, 2, 4, 17, 34, 68, 223, 446, 892, 1327, 2654, 3791, 5308, 7582, 15164, 22559, 45118, 90236, 295921, 591842, 1183684, 5030657, 10061314, 20122628]

約数ペア:

[(1, 20122628), (2, 10061314), (4, 5030657), (17, 1183684), (34, 591842), (68, 295921), (223, 90236), (446, 45118), (892, 22559), (1327, 15164), (2654, 7582), (3791, 5308)]