20284587

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14731}}^1$

素因数の和:14760

約数の個数: 20

約数和(自身を含む): 32086296

約数和(自身を除く): 11801709

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14731, 44193, 132579, 250427, 397737, 751281, 1193211, 2253843, 6761529, 20284587]

約数ペア:

[(1, 20284587), (3, 6761529), (9, 2253843), (17, 1193211), (27, 751281), (51, 397737), (81, 250427), (153, 132579), (459, 44193), (1377, 14731)]