20239587

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 30090528

約数和(自身を除く): 9850941

約数列:

[1, 3, 9, 53, 151, 159, 281, 453, 477, 843, 1359, 2529, 8003, 14893, 24009, 42431, 44679, 72027, 127293, 134037, 381879, 2248843, 6746529, 20239587]

約数ペア:

[(1, 20239587), (3, 6746529), (9, 2248843), (53, 381879), (151, 134037), (159, 127293), (281, 72027), (453, 44679), (477, 42431), (843, 24009), (1359, 14893), (2529, 8003)]