20175440

素因数分解:

$2^4\times 5^1\times {\mathrm{252193}}^1$

素因数の和:252206

約数の個数: 20

約数和(自身を含む): 46908084

約数和(自身を除く): 26732644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252193, 504386, 1008772, 1260965, 2017544, 2521930, 4035088, 5043860, 10087720, 20175440]

約数ペア:

[(1, 20175440), (2, 10087720), (4, 5043860), (5, 4035088), (8, 2521930), (10, 2017544), (16, 1260965), (20, 1008772), (40, 504386), (80, 252193)]