20166744560

素因数分解:

$2^4\times 5^1\times {\mathrm{252084307}}^1$

素因数の和:252084320

約数の個数: 20

約数和(自身を含む): 46887681288

約数和(自身を除く): 26720936728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252084307, 504168614, 1008337228, 1260421535, 2016674456, 2520843070, 4033348912, 5041686140, 10083372280, 20166744560]

約数ペア:

[(1, 20166744560), (2, 10083372280), (4, 5041686140), (5, 4033348912), (8, 2520843070), (10, 2016674456), (16, 1260421535), (20, 1008337228), (40, 504168614), (80, 252084307)]