20680154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 35163072

約数和(自身を除く): 14482918

約数列:

[1, 2, 11, 22, 41, 82, 101, 202, 227, 451, 454, 902, 1111, 2222, 2497, 4141, 4994, 8282, 9307, 18614, 22927, 45551, 45854, 91102, 102377, 204754, 252197, 504394, 940007, 1880014, 10340077, 20680154]

約数ペア:

[(1, 20680154), (2, 10340077), (11, 1880014), (22, 940007), (41, 504394), (82, 252197), (101, 204754), (202, 102377), (227, 91102), (451, 45854), (454, 45551), (902, 22927), (1111, 18614), (2222, 9307), (2497, 8282), (4141, 4994)]