20245841

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:134

約数の個数: 32

約数和(自身を含む): 26562816

約数和(自身を除く): 6316975

約数列:

[1, 7, 11, 41, 53, 77, 121, 287, 371, 451, 583, 847, 1331, 2173, 3157, 4081, 4961, 6413, 9317, 15211, 23903, 34727, 44891, 54571, 70543, 167321, 262933, 381997, 493801, 1840531, 2892263, 20245841]

約数ペア:

[(1, 20245841), (7, 2892263), (11, 1840531), (41, 493801), (53, 381997), (77, 262933), (121, 167321), (287, 70543), (371, 54571), (451, 44891), (583, 34727), (847, 23903), (1331, 15211), (2173, 9317), (3157, 6413), (4081, 4961)]