20246750

素因数分解:

$2^1\times 5^3\times {\mathrm{109}}^1\times {\mathrm{743}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 38301120

約数和(自身を除く): 18054370

約数列:

[1, 2, 5, 10, 25, 50, 109, 125, 218, 250, 545, 743, 1090, 1486, 2725, 3715, 5450, 7430, 13625, 18575, 27250, 37150, 80987, 92875, 161974, 185750, 404935, 809870, 2024675, 4049350, 10123375, 20246750]

約数ペア:

[(1, 20246750), (2, 10123375), (5, 4049350), (10, 2024675), (25, 809870), (50, 404935), (109, 185750), (125, 161974), (218, 92875), (250, 80987), (545, 37150), (743, 27250), (1090, 18575), (1486, 13625), (2725, 7430), (3715, 5450)]