20013800

素因数分解:

$2^3\times 5^2\times {\mathrm{100069}}^1$

素因数の和:100085

約数の個数: 24

約数和(自身を含む): 46532550

約数和(自身を除く): 26518750

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 100069, 200138, 400276, 500345, 800552, 1000690, 2001380, 2501725, 4002760, 5003450, 10006900, 20013800]

約数ペア:

[(1, 20013800), (2, 10006900), (4, 5003450), (5, 4002760), (8, 2501725), (10, 2001380), (20, 1000690), (25, 800552), (40, 500345), (50, 400276), (100, 200138), (200, 100069)]