20795868729

素因数分解:

$3^2\times {\mathrm{4451}}^1\times {\mathrm{519131}}^1$

素因数の和:523588

約数の個数: 12

約数和(自身を含む): 30045283632

約数和(自身を除く): 9249414903

約数列:

[1, 3, 9, 4451, 13353, 40059, 519131, 1557393, 4672179, 2310652081, 6931956243, 20795868729]

約数ペア:

[(1, 20795868729), (3, 6931956243), (9, 2310652081), (4451, 4672179), (13353, 1557393), (40059, 519131)]