2020895960

素因数分解:

$2^3\times 5^1\times {\mathrm{2861}}^1\times {\mathrm{17659}}^1$

素因数の和:20531

約数の個数: 32

約数和(自身を含む): 4548862800

約数和(自身を除く): 2527966840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2861, 5722, 11444, 14305, 17659, 22888, 28610, 35318, 57220, 70636, 88295, 114440, 141272, 176590, 353180, 706360, 50522399, 101044798, 202089596, 252611995, 404179192, 505223990, 1010447980, 2020895960]

約数ペア:

[(1, 2020895960), (2, 1010447980), (4, 505223990), (5, 404179192), (8, 252611995), (10, 202089596), (20, 101044798), (40, 50522399), (2861, 706360), (5722, 353180), (11444, 176590), (14305, 141272), (17659, 114440), (22888, 88295), (28610, 70636), (35318, 57220)]