20257888

素因数分解:

$2^5\times 7^1\times {\mathrm{90437}}^1$

素因数の和:90454

約数の個数: 24

約数和(自身を含む): 45580752

約数和(自身を除く): 25322864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 90437, 180874, 361748, 633059, 723496, 1266118, 1446992, 2532236, 2893984, 5064472, 10128944, 20257888]

約数ペア:

[(1, 20257888), (2, 10128944), (4, 5064472), (7, 2893984), (8, 2532236), (14, 1446992), (16, 1266118), (28, 723496), (32, 633059), (56, 361748), (112, 180874), (224, 90437)]