20331779

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{467}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 23351328

約数和(自身を除く): 3019549

約数列:

[1, 13, 17, 197, 221, 467, 2561, 3349, 6071, 7939, 43537, 91999, 103207, 1195987, 1563983, 20331779]

約数ペア:

[(1, 20331779), (13, 1563983), (17, 1195987), (197, 103207), (221, 91999), (467, 43537), (2561, 7939), (3349, 6071)]