20983239

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{40903}}^1$

素因数の和:40931

約数の個数: 16

約数和(自身を含む): 32723200

約数和(自身を除く): 11739961

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 40903, 122709, 368127, 777157, 1104381, 2331471, 6994413, 20983239]

約数ペア:

[(1, 20983239), (3, 6994413), (9, 2331471), (19, 1104381), (27, 777157), (57, 368127), (171, 122709), (513, 40903)]