20203105

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23909}}^1$

素因数の和:23940

約数の個数: 12

約数和(自身を含む): 26253180

約数和(自身を除く): 6050075

約数列:

[1, 5, 13, 65, 169, 845, 23909, 119545, 310817, 1554085, 4040621, 20203105]

約数ペア:

[(1, 20203105), (5, 4040621), (13, 1554085), (65, 310817), (169, 119545), (845, 23909)]