20216168

素因数分解:

$2^3\times 7^1\times {\mathrm{361003}}^1$

素因数の和:361016

約数の個数: 16

約数和(自身を含む): 43320480

約数和(自身を除く): 23104312

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 361003, 722006, 1444012, 2527021, 2888024, 5054042, 10108084, 20216168]

約数ペア:

[(1, 20216168), (2, 10108084), (4, 5054042), (7, 2888024), (8, 2527021), (14, 1444012), (28, 722006), (56, 361003)]