20887509

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1\times {\mathrm{877}}^1$

素因数の和:1364

約数の個数: 16

約数和(自身を含む): 29585088

約数和(自身を除く): 8697579

約数列:

[1, 3, 17, 51, 467, 877, 1401, 2631, 7939, 14909, 23817, 44727, 409559, 1228677, 6962503, 20887509]

約数ペア:

[(1, 20887509), (3, 6962503), (17, 1228677), (51, 409559), (467, 44727), (877, 23817), (1401, 14909), (2631, 7939)]