20326856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2287}}^1$

素因数の和:2405

約数の個数: 32

約数和(自身を含む): 42007680

約数和(自身を除く): 21680824

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2222, 2287, 4444, 4574, 8888, 9148, 18296, 25157, 50314, 100628, 201256, 230987, 461974, 923948, 1847896, 2540857, 5081714, 10163428, 20326856]

約数ペア:

[(1, 20326856), (2, 10163428), (4, 5081714), (8, 2540857), (11, 1847896), (22, 923948), (44, 461974), (88, 230987), (101, 201256), (202, 100628), (404, 50314), (808, 25157), (1111, 18296), (2222, 9148), (2287, 8888), (4444, 4574)]