20966484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{22691}}^1$

素因数の和:22716

約数の個数: 48

約数和(自身を含む): 60996096

約数和(自身を除く): 40029612

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 22691, 45382, 68073, 90764, 136146, 158837, 249601, 272292, 317674, 476511, 499202, 635348, 748803, 953022, 998404, 1497606, 1747207, 1906044, 2995212, 3494414, 5241621, 6988828, 10483242, 20966484]

約数ペア:

[(1, 20966484), (2, 10483242), (3, 6988828), (4, 5241621), (6, 3494414), (7, 2995212), (11, 1906044), (12, 1747207), (14, 1497606), (21, 998404), (22, 953022), (28, 748803), (33, 635348), (42, 499202), (44, 476511), (66, 317674), (77, 272292), (84, 249601), (132, 158837), (154, 136146), (231, 90764), (308, 68073), (462, 45382), (924, 22691)]