2020040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4591}}^1$

素因数の和:4613

約数の個数: 32

約数和(自身を含む): 4959360

約数和(自身を除く): 2939320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4591, 9182, 18364, 22955, 36728, 45910, 50501, 91820, 101002, 183640, 202004, 252505, 404008, 505010, 1010020, 2020040]

約数ペア:

[(1, 2020040), (2, 1010020), (4, 505010), (5, 404008), (8, 252505), (10, 202004), (11, 183640), (20, 101002), (22, 91820), (40, 50501), (44, 45910), (55, 36728), (88, 22955), (110, 18364), (220, 9182), (440, 4591)]