20729418

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{181837}}^1$

素因数の和:181861

約数の個数: 16

約数和(自身を含む): 43641120

約数和(自身を除く): 22911702

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 181837, 363674, 545511, 1091022, 3454903, 6909806, 10364709, 20729418]

約数ペア:

[(1, 20729418), (2, 10364709), (3, 6909806), (6, 3454903), (19, 1091022), (38, 545511), (57, 363674), (114, 181837)]