20471836

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66467}}^1$

素因数の和:66489

約数の個数: 24

約数和(自身を含む): 44666496

約数和(自身を除く): 24194660

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66467, 132934, 265868, 465269, 731137, 930538, 1462274, 1861076, 2924548, 5117959, 10235918, 20471836]

約数ペア:

[(1, 20471836), (2, 10235918), (4, 5117959), (7, 2924548), (11, 1861076), (14, 1462274), (22, 930538), (28, 731137), (44, 465269), (77, 265868), (154, 132934), (308, 66467)]