20524010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157877}}^1$

素因数の和:157897

約数の個数: 16

約数和(自身を含む): 39785256

約数和(自身を除く): 19261246

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157877, 315754, 789385, 1578770, 2052401, 4104802, 10262005, 20524010]

約数ペア:

[(1, 20524010), (2, 10262005), (5, 4104802), (10, 2052401), (13, 1578770), (26, 789385), (65, 315754), (130, 157877)]