20555885

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6599}}^1$

素因数の和:6700

約数の個数: 16

約数和(自身を含む): 28512000

約数和(自身を除く): 7956115

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 6599, 32995, 46193, 230965, 587311, 2936555, 4111177, 20555885]

約数ペア:

[(1, 20555885), (5, 4111177), (7, 2936555), (35, 587311), (89, 230965), (445, 46193), (623, 32995), (3115, 6599)]