20675508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2437}}^1$

素因数の和:2552

約数の個数: 48

約数和(自身を含む): 55703424

約数和(自身を除く): 35027916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 101, 202, 303, 404, 606, 707, 1212, 1414, 2121, 2437, 2828, 4242, 4874, 7311, 8484, 9748, 14622, 17059, 29244, 34118, 51177, 68236, 102354, 204708, 246137, 492274, 738411, 984548, 1476822, 1722959, 2953644, 3445918, 5168877, 6891836, 10337754, 20675508]

約数ペア:

[(1, 20675508), (2, 10337754), (3, 6891836), (4, 5168877), (6, 3445918), (7, 2953644), (12, 1722959), (14, 1476822), (21, 984548), (28, 738411), (42, 492274), (84, 246137), (101, 204708), (202, 102354), (303, 68236), (404, 51177), (606, 34118), (707, 29244), (1212, 17059), (1414, 14622), (2121, 9748), (2437, 8484), (2828, 7311), (4242, 4874)]