20406948359

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{2609}}^1\times {\mathrm{65729}}^1$

素因数の和:68362

約数の個数: 16

約数和(自身を含む): 24703963200

約数和(自身を除く): 4297014841

約数列:

[1, 7, 17, 119, 2609, 18263, 44353, 65729, 310471, 460103, 1117393, 7821751, 171486961, 1200408727, 2915278337, 20406948359]

約数ペア:

[(1, 20406948359), (7, 2915278337), (17, 1200408727), (119, 171486961), (2609, 7821751), (18263, 1117393), (44353, 460103), (65729, 310471)]