20706488

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21391}}^1$

素因数の和:21419

約数の個数: 24

約数和(自身を含む): 42677040

約数和(自身を除く): 21970552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21391, 42782, 85564, 171128, 235301, 470602, 941204, 1882408, 2588311, 5176622, 10353244, 20706488]

約数ペア:

[(1, 20706488), (2, 10353244), (4, 5176622), (8, 2588311), (11, 1882408), (22, 941204), (44, 470602), (88, 235301), (121, 171128), (242, 85564), (484, 42782), (968, 21391)]