20827213

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:656

約数の個数: 16

約数和(自身を含む): 23887872

約数和(自身を除く): 3060659

約数列:

[1, 11, 23, 191, 253, 431, 2101, 4393, 4741, 9913, 48323, 82321, 109043, 905531, 1893383, 20827213]

約数ペア:

[(1, 20827213), (11, 1893383), (23, 905531), (191, 109043), (253, 82321), (431, 48323), (2101, 9913), (4393, 4741)]