20431820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44417}}^1$

素因数の和:44449

約数の個数: 24

約数和(自身を含む): 44773344

約数和(自身を除く): 24341524

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 44417, 88834, 177668, 222085, 444170, 888340, 1021591, 2043182, 4086364, 5107955, 10215910, 20431820]

約数ペア:

[(1, 20431820), (2, 10215910), (4, 5107955), (5, 4086364), (10, 2043182), (20, 1021591), (23, 888340), (46, 444170), (92, 222085), (115, 177668), (230, 88834), (460, 44417)]