20965604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20717}}^1$

素因数の和:20755

約数の個数: 24

約数和(自身を含む): 41767488

約数和(自身を除く): 20801884

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 20717, 41434, 82868, 227887, 455774, 476491, 911548, 952982, 1905964, 5241401, 10482802, 20965604]

約数ペア:

[(1, 20965604), (2, 10482802), (4, 5241401), (11, 1905964), (22, 952982), (23, 911548), (44, 476491), (46, 455774), (92, 227887), (253, 82868), (506, 41434), (1012, 20717)]