20257802

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{2213}}^1$

素因数の和:2437

約数の個数: 16

約数和(自身を含む): 31881600

約数和(自身を除く): 11623798

約数列:

[1, 2, 23, 46, 199, 398, 2213, 4426, 4577, 9154, 50899, 101798, 440387, 880774, 10128901, 20257802]

約数ペア:

[(1, 20257802), (2, 10128901), (23, 880774), (46, 440387), (199, 101798), (398, 50899), (2213, 9154), (4426, 4577)]