20173443979

素因数分解:

${\mathrm{13}}^2\times {\mathrm{41}}^2\times {\mathrm{71011}}^1$

素因数の和:71119

約数の個数: 18

約数和(自身を含む): 22390722708

約数和(自身を除く): 2217278729

約数列:

[1, 13, 41, 169, 533, 1681, 6929, 21853, 71011, 284089, 923143, 2911451, 12000859, 37848863, 119369491, 492035219, 1551803383, 20173443979]

約数ペア:

[(1, 20173443979), (13, 1551803383), (41, 492035219), (169, 119369491), (533, 37848863), (1681, 12000859), (6929, 2911451), (21853, 923143), (71011, 284089)]