20078244

素因数分解:

$2^2\times 3^2\times {\mathrm{557729}}^1$

素因数の和:557739

約数の個数: 18

約数和(自身を含む): 50753430

約数和(自身を除く): 30675186

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 557729, 1115458, 1673187, 2230916, 3346374, 5019561, 6692748, 10039122, 20078244]

約数ペア:

[(1, 20078244), (2, 10039122), (3, 6692748), (4, 5019561), (6, 3346374), (9, 2230916), (12, 1673187), (18, 1115458), (36, 557729)]