20679950

素因数分解:

$2^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{2143}}^1$

素因数の和:2348

約数の個数: 24

約数和(自身を含む): 38682048

約数和(自身を除く): 18002098

約数列:

[1, 2, 5, 10, 25, 50, 193, 386, 965, 1930, 2143, 4286, 4825, 9650, 10715, 21430, 53575, 107150, 413599, 827198, 2067995, 4135990, 10339975, 20679950]

約数ペア:

[(1, 20679950), (2, 10339975), (5, 4135990), (10, 2067995), (25, 827198), (50, 413599), (193, 107150), (386, 53575), (965, 21430), (1930, 10715), (2143, 9650), (4286, 4825)]