20887659

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59509}}^1$

素因数の和:59531

約数の個数: 16

約数和(自身を含む): 33325600

約数和(自身を除く): 12437941

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 59509, 178527, 535581, 773617, 1606743, 2320851, 6962553, 20887659]

約数ペア:

[(1, 20887659), (3, 6962553), (9, 2320851), (13, 1606743), (27, 773617), (39, 535581), (117, 178527), (351, 59509)]