20339095

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{5431}}^1$

素因数の和:5550

約数の個数: 16

約数和(自身を含む): 28159488

約数和(自身を除く): 7820393

約数列:

[1, 5, 7, 35, 107, 535, 749, 3745, 5431, 27155, 38017, 190085, 581117, 2905585, 4067819, 20339095]

約数ペア:

[(1, 20339095), (5, 4067819), (7, 2905585), (35, 581117), (107, 190085), (535, 38017), (749, 27155), (3745, 5431)]