20805085

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6679}}^1$

素因数の和:6780

約数の個数: 16

約数和(自身を含む): 28857600

約数和(自身を除く): 8052515

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 6679, 33395, 46753, 233765, 594431, 2972155, 4161017, 20805085]

約数ペア:

[(1, 20805085), (5, 4161017), (7, 2972155), (35, 594431), (89, 233765), (445, 46753), (623, 33395), (3115, 6679)]