20842465

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6691}}^1$

素因数の和:6792

約数の個数: 16

約数和(自身を含む): 28909440

約数和(自身を除く): 8066975

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 6691, 33455, 46837, 234185, 595499, 2977495, 4168493, 20842465]

約数ペア:

[(1, 20842465), (5, 4168493), (7, 2977495), (35, 595499), (89, 234185), (445, 46837), (623, 33455), (3115, 6691)]