20199655480

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4902829}}^1$

素因数の和:4902943

約数の個数: 32

約数和(自身を含む): 45890488800

約数和(自身を除く): 25690833320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 4902829, 9805658, 19611316, 24514145, 39222632, 49028290, 98056580, 196113160, 504991387, 1009982774, 2019965548, 2524956935, 4039931096, 5049913870, 10099827740, 20199655480]

約数ペア:

[(1, 20199655480), (2, 10099827740), (4, 5049913870), (5, 4039931096), (8, 2524956935), (10, 2019965548), (20, 1009982774), (40, 504991387), (103, 196113160), (206, 98056580), (412, 49028290), (515, 39222632), (824, 24514145), (1030, 19611316), (2060, 9805658), (4120, 4902829)]