20136080

素因数分解:

$2^4\times 5^1\times {\mathrm{251701}}^1$

素因数の和:251714

約数の個数: 20

約数和(自身を含む): 46816572

約数和(自身を除く): 26680492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251701, 503402, 1006804, 1258505, 2013608, 2517010, 4027216, 5034020, 10068040, 20136080]

約数ペア:

[(1, 20136080), (2, 10068040), (4, 5034020), (5, 4027216), (8, 2517010), (10, 2013608), (16, 1258505), (20, 1006804), (40, 503402), (80, 251701)]