20218191860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43952591}}^1$

素因数の和:43952623

約数の個数: 24

約数和(自身を含む): 44304212736

約数和(自身を除く): 24086020876

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43952591, 87905182, 175810364, 219762955, 439525910, 879051820, 1010909593, 2021819186, 4043638372, 5054547965, 10109095930, 20218191860]

約数ペア:

[(1, 20218191860), (2, 10109095930), (4, 5054547965), (5, 4043638372), (10, 2021819186), (20, 1010909593), (23, 879051820), (46, 439525910), (92, 219762955), (115, 175810364), (230, 87905182), (460, 43952591)]