20373560

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10837}}^1$

素因数の和:10895

約数の個数: 32

約数和(自身を含む): 46820160

約数和(自身を除く): 26446600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10837, 21674, 43348, 54185, 86696, 108370, 216740, 433480, 509339, 1018678, 2037356, 2546695, 4074712, 5093390, 10186780, 20373560]

約数ペア:

[(1, 20373560), (2, 10186780), (4, 5093390), (5, 4074712), (8, 2546695), (10, 2037356), (20, 1018678), (40, 509339), (47, 433480), (94, 216740), (188, 108370), (235, 86696), (376, 54185), (470, 43348), (940, 21674), (1880, 10837)]