20592080

素因数分解:

$2^4\times 5^1\times {\mathrm{257401}}^1$

素因数の和:257414

約数の個数: 20

約数和(自身を含む): 47876772

約数和(自身を除く): 27284692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257401, 514802, 1029604, 1287005, 2059208, 2574010, 4118416, 5148020, 10296040, 20592080]

約数ペア:

[(1, 20592080), (2, 10296040), (4, 5148020), (5, 4118416), (8, 2574010), (10, 2059208), (16, 1287005), (20, 1029604), (40, 514802), (80, 257401)]