20275880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22039}}^1$

素因数の和:22073

約数の個数: 32

約数和(自身を含む): 47606400

約数和(自身を除く): 27330520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22039, 44078, 88156, 110195, 176312, 220390, 440780, 506897, 881560, 1013794, 2027588, 2534485, 4055176, 5068970, 10137940, 20275880]

約数ペア:

[(1, 20275880), (2, 10137940), (4, 5068970), (5, 4055176), (8, 2534485), (10, 2027588), (20, 1013794), (23, 881560), (40, 506897), (46, 440780), (92, 220390), (115, 176312), (184, 110195), (230, 88156), (460, 44078), (920, 22039)]