20199137396

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{12346661}}^1$

素因数の和:12347074

約数の個数: 12

約数和(自身を含む): 35434919940

約数和(自身を除く): 15235782544

約数列:

[1, 2, 4, 409, 818, 1636, 12346661, 24693322, 49386644, 5049784349, 10099568698, 20199137396]

約数ペア:

[(1, 20199137396), (2, 10099568698), (4, 5049784349), (409, 49386644), (818, 24693322), (1636, 12346661)]