20162080

素因数分解:

$2^5\times 5^1\times {\mathrm{126013}}^1$

素因数の和:126028

約数の個数: 24

約数和(自身を含む): 47633292

約数和(自身を除く): 27471212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 126013, 252026, 504052, 630065, 1008104, 1260130, 2016208, 2520260, 4032416, 5040520, 10081040, 20162080]

約数ペア:

[(1, 20162080), (2, 10081040), (4, 5040520), (5, 4032416), (8, 2520260), (10, 2016208), (16, 1260130), (20, 1008104), (32, 630065), (40, 504052), (80, 252026), (160, 126013)]