20649802

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{2111}}^1$

素因数の和:2253

約数の個数: 16

約数和(自身を含む): 31882752

約数和(自身を除く): 11232950

約数列:

[1, 2, 67, 73, 134, 146, 2111, 4222, 4891, 9782, 141437, 154103, 282874, 308206, 10324901, 20649802]

約数ペア:

[(1, 20649802), (2, 10324901), (67, 308206), (73, 282874), (134, 154103), (146, 141437), (2111, 9782), (4222, 4891)]