20857648

素因数分解:

$2^4\times 7^1\times {\mathrm{186229}}^1$

素因数の和:186244

約数の個数: 20

約数和(自身を含む): 46185040

約数和(自身を除く): 25327392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 186229, 372458, 744916, 1303603, 1489832, 2607206, 2979664, 5214412, 10428824, 20857648]

約数ペア:

[(1, 20857648), (2, 10428824), (4, 5214412), (7, 2979664), (8, 2607206), (14, 1489832), (16, 1303603), (28, 744916), (56, 372458), (112, 186229)]