20146887

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{4877}}^1$

素因数の和:4909

約数の個数: 24

約数和(自身を含む): 31960656

約数和(自身を除く): 11813769

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 4877, 14631, 43893, 82909, 131679, 248727, 395037, 746181, 1185111, 2238543, 6715629, 20146887]

約数ペア:

[(1, 20146887), (3, 6715629), (9, 2238543), (17, 1185111), (27, 746181), (51, 395037), (81, 248727), (153, 131679), (243, 82909), (459, 43893), (1377, 14631), (4131, 4877)]