20137588390

素因数分解:

$2^1\times 5^1\times {\mathrm{2239}}^1\times {\mathrm{899401}}^1$

素因数の和:901647

約数の個数: 16

約数和(自身を含む): 36263888640

約数和(自身を除く): 16126300250

約数列:

[1, 2, 5, 10, 2239, 4478, 11195, 22390, 899401, 1798802, 4497005, 8994010, 2013758839, 4027517678, 10068794195, 20137588390]

約数ペア:

[(1, 20137588390), (2, 10068794195), (5, 4027517678), (10, 2013758839), (2239, 8994010), (4478, 4497005), (11195, 1798802), (22390, 899401)]