20109820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43717}}^1$

素因数の和:43749

約数の個数: 24

約数和(自身を含む): 44067744

約数和(自身を除く): 23957924

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43717, 87434, 174868, 218585, 437170, 874340, 1005491, 2010982, 4021964, 5027455, 10054910, 20109820]

約数ペア:

[(1, 20109820), (2, 10054910), (4, 5027455), (5, 4021964), (10, 2010982), (20, 1005491), (23, 874340), (46, 437170), (92, 218585), (115, 174868), (230, 87434), (460, 43717)]