20168650

素因数分解:

$2^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{2027}}^1$

素因数の和:2238

約数の個数: 24

約数和(自身を含む): 37720800

約数和(自身を除く): 17552150

約数列:

[1, 2, 5, 10, 25, 50, 199, 398, 995, 1990, 2027, 4054, 4975, 9950, 10135, 20270, 50675, 101350, 403373, 806746, 2016865, 4033730, 10084325, 20168650]

約数ペア:

[(1, 20168650), (2, 10084325), (5, 4033730), (10, 2016865), (25, 806746), (50, 403373), (199, 101350), (398, 50675), (995, 20270), (1990, 10135), (2027, 9950), (4054, 4975)]