20165074640

素因数分解:

$2^4\times 5^1\times {\mathrm{252063433}}^1$

素因数の和:252063446

約数の個数: 20

約数和(自身を含む): 46883798724

約数和(自身を除く): 26718724084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252063433, 504126866, 1008253732, 1260317165, 2016507464, 2520634330, 4033014928, 5041268660, 10082537320, 20165074640]

約数ペア:

[(1, 20165074640), (2, 10082537320), (4, 5041268660), (5, 4033014928), (8, 2520634330), (10, 2016507464), (16, 1260317165), (20, 1008253732), (40, 504126866), (80, 252063433)]