20123621825

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{9698131}}^1$

素因数の和:9698224

約数の個数: 12

約数和(自身を含む): 25253935728

約数和(自身を除く): 5130313903

約数列:

[1, 5, 25, 83, 415, 2075, 9698131, 48490655, 242453275, 804944873, 4024724365, 20123621825]

約数ペア:

[(1, 20123621825), (5, 4024724365), (25, 804944873), (83, 242453275), (415, 48490655), (2075, 9698131)]