20879721

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{14591}}^1$

素因数の和:14653

約数の個数: 16

約数和(自身を含む): 31518720

約数和(自身を除く): 10638999

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 14591, 43773, 131319, 393957, 773323, 2319969, 6959907, 20879721]

約数ペア:

[(1, 20879721), (3, 6959907), (9, 2319969), (27, 773323), (53, 393957), (159, 131319), (477, 43773), (1431, 14591)]