20590785

素因数分解:

$3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1823}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 35852544

約数和(自身を除く): 15261759

約数列:

[1, 3, 5, 9, 15, 45, 251, 753, 1255, 1823, 2259, 3765, 5469, 9115, 11295, 16407, 27345, 82035, 457573, 1372719, 2287865, 4118157, 6863595, 20590785]

約数ペア:

[(1, 20590785), (3, 6863595), (5, 4118157), (9, 2287865), (15, 1372719), (45, 457573), (251, 82035), (753, 27345), (1255, 16407), (1823, 11295), (2259, 9115), (3765, 5469)]