20809537609

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{5981471}}^1$

素因数の和:5981556

約数の個数: 12

約数和(自身を含む): 24547961088

約数和(自身を除く): 3738423479

約数列:

[1, 7, 49, 71, 497, 3479, 5981471, 41870297, 293092079, 424684441, 2972791087, 20809537609]

約数ペア:

[(1, 20809537609), (7, 2972791087), (49, 424684441), (71, 293092079), (497, 41870297), (3479, 5981471)]