20654030

素因数分解:

$2^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{5851}}^1$

素因数の和:6211

約数の個数: 16

約数和(自身を含む): 37288944

約数和(自身を除く): 16634914

約数列:

[1, 2, 5, 10, 353, 706, 1765, 3530, 5851, 11702, 29255, 58510, 2065403, 4130806, 10327015, 20654030]

約数ペア:

[(1, 20654030), (2, 10327015), (5, 4130806), (10, 2065403), (353, 58510), (706, 29255), (1765, 11702), (3530, 5851)]