20733218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 36037440

約数和(自身を除く): 15304222

約数列:

[1, 2, 11, 19, 22, 38, 193, 209, 257, 386, 418, 514, 2123, 2827, 3667, 4246, 4883, 5654, 7334, 9766, 40337, 49601, 53713, 80674, 99202, 107426, 545611, 942419, 1091222, 1884838, 10366609, 20733218]

約数ペア:

[(1, 20733218), (2, 10366609), (11, 1884838), (19, 1091222), (22, 942419), (38, 545611), (193, 107426), (209, 99202), (257, 80674), (386, 53713), (418, 49601), (514, 40337), (2123, 9766), (2827, 7334), (3667, 5654), (4246, 4883)]