20625940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44839}}^1$

素因数の和:44871

約数の個数: 24

約数和(自身を含む): 45198720

約数和(自身を除く): 24572780

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 44839, 89678, 179356, 224195, 448390, 896780, 1031297, 2062594, 4125188, 5156485, 10312970, 20625940]

約数ペア:

[(1, 20625940), (2, 10312970), (4, 5156485), (5, 4125188), (10, 2062594), (20, 1031297), (23, 896780), (46, 448390), (92, 224195), (115, 179356), (230, 89678), (460, 44839)]