20417425

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6863}}^1$

素因数の和:6897

約数の個数: 24

約数和(自身を含む): 30640896

約数和(自身を除く): 10223471

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 6863, 34315, 48041, 116671, 171575, 240205, 583355, 816697, 1201025, 2916775, 4083485, 20417425]

約数ペア:

[(1, 20417425), (5, 4083485), (7, 2916775), (17, 1201025), (25, 816697), (35, 583355), (85, 240205), (119, 171575), (175, 116671), (425, 48041), (595, 34315), (2975, 6863)]