820565492

素因数分解:

$2^2\times {\mathrm{839}}^1\times {\mathrm{244507}}^1$

素因数の和:245350

約数の個数: 12

約数和(自身を含む): 1437707040

約数和(自身を除く): 617141548

約数列:

[1, 2, 4, 839, 1678, 3356, 244507, 489014, 978028, 205141373, 410282746, 820565492]

約数ペア:

[(1, 820565492), (2, 410282746), (4, 205141373), (839, 978028), (1678, 489014), (3356, 244507)]