20491592

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21169}}^1$

素因数の和:21197

約数の個数: 24

約数和(自身を含む): 42234150

約数和(自身を除く): 21742558

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21169, 42338, 84676, 169352, 232859, 465718, 931436, 1862872, 2561449, 5122898, 10245796, 20491592]

約数ペア:

[(1, 20491592), (2, 10245796), (4, 5122898), (8, 2561449), (11, 1862872), (22, 931436), (44, 465718), (88, 232859), (121, 169352), (242, 84676), (484, 42338), (968, 21169)]