20112008

素因数分解:

$2^3\times 7^1\times {\mathrm{359143}}^1$

素因数の和:359156

約数の個数: 16

約数和(自身を含む): 43097280

約数和(自身を除く): 22985272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 359143, 718286, 1436572, 2514001, 2873144, 5028002, 10056004, 20112008]

約数ペア:

[(1, 20112008), (2, 10056004), (4, 5028002), (7, 2873144), (8, 2514001), (14, 1436572), (28, 718286), (56, 359143)]