20512957543

素因数分解:

${\mathrm{13}}^2\times {\mathrm{5527}}^1\times {\mathrm{21961}}^1$

素因数の和:27514

約数の個数: 12

約数和(自身を含む): 22217286288

約数和(自身を除く): 1704328745

約数列:

[1, 13, 169, 5527, 21961, 71851, 285493, 934063, 3711409, 121378447, 1577919811, 20512957543]

約数ペア:

[(1, 20512957543), (13, 1577919811), (169, 121378447), (5527, 3711409), (21961, 934063), (71851, 285493)]