20617317

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4483}}^1$

素因数の和:4569

約数の個数: 24

約数和(自身を含む): 34508864

約数和(自身を除く): 13891547

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4483, 4599, 13449, 31381, 40347, 94143, 282429, 327259, 981777, 2290813, 2945331, 6872439, 20617317]

約数ペア:

[(1, 20617317), (3, 6872439), (7, 2945331), (9, 2290813), (21, 981777), (63, 327259), (73, 282429), (219, 94143), (511, 40347), (657, 31381), (1533, 13449), (4483, 4599)]