20940243

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5783}}^1$

素因数の和:5874

約数の個数: 16

約数和(自身を含む): 29984256

約数和(自身を除く): 9044013

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 5783, 17349, 98311, 294933, 410593, 1231779, 6980081, 20940243]

約数ペア:

[(1, 20940243), (3, 6980081), (17, 1231779), (51, 410593), (71, 294933), (213, 98311), (1207, 17349), (3621, 5783)]