20747600

素因数分解:

$2^4\times 5^2\times {\mathrm{51869}}^1$

素因数の和:51887

約数の個数: 30

約数和(自身を含む): 49847070

約数和(自身を除く): 29099470

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 51869, 103738, 207476, 259345, 414952, 518690, 829904, 1037380, 1296725, 2074760, 2593450, 4149520, 5186900, 10373800, 20747600]

約数ペア:

[(1, 20747600), (2, 10373800), (4, 5186900), (5, 4149520), (8, 2593450), (10, 2074760), (16, 1296725), (20, 1037380), (25, 829904), (40, 518690), (50, 414952), (80, 259345), (100, 207476), (200, 103738), (400, 51869)]