20088985

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1777}}^1$

素因数の和:1825

約数の個数: 32

約数和(自身を含む): 30723840

約数和(自身を除く): 10634855

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 595, 665, 1615, 1777, 2261, 8885, 11305, 12439, 30209, 33763, 62195, 151045, 168815, 211463, 236341, 573971, 1057315, 1181705, 2869855, 4017797, 20088985]

約数ペア:

[(1, 20088985), (5, 4017797), (7, 2869855), (17, 1181705), (19, 1057315), (35, 573971), (85, 236341), (95, 211463), (119, 168815), (133, 151045), (323, 62195), (595, 33763), (665, 30209), (1615, 12439), (1777, 11305), (2261, 8885)]