20993792

素因数分解:

$2^8\times {\mathrm{82007}}^1$

素因数の和:82023

約数の個数: 18

約数和(自身を含む): 41906088

約数和(自身を除く): 20912296

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 82007, 164014, 328028, 656056, 1312112, 2624224, 5248448, 10496896, 20993792]

約数ペア:

[(1, 20993792), (2, 10496896), (4, 5248448), (8, 2624224), (16, 1312112), (32, 656056), (64, 328028), (128, 164014), (256, 82007)]