20199995485

素因数分解:

$5^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{112163}}^1$

素因数の和:112548

約数の個数: 16

約数和(自身を含む): 24496617600

約数和(自身を除く): 4296622115

約数列:

[1, 5, 181, 199, 905, 995, 36019, 112163, 180095, 560815, 20301503, 22320437, 101507515, 111602185, 4039999097, 20199995485]

約数ペア:

[(1, 20199995485), (5, 4039999097), (181, 111602185), (199, 101507515), (905, 22320437), (995, 20301503), (36019, 560815), (112163, 180095)]