20115950

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3691}}^1$

素因数の和:3812

約数の個数: 24

約数和(自身を含む): 37769160

約数和(自身を除く): 17653210

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 3691, 5450, 7382, 18455, 36910, 92275, 184550, 402319, 804638, 2011595, 4023190, 10057975, 20115950]

約数ペア:

[(1, 20115950), (2, 10057975), (5, 4023190), (10, 2011595), (25, 804638), (50, 402319), (109, 184550), (218, 92275), (545, 36910), (1090, 18455), (2725, 7382), (3691, 5450)]