20478062

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21647}}^1$

素因数の和:21703

約数の個数: 16

約数和(自身を含む): 34290432

約数和(自身を除く): 13812370

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21647, 43294, 238117, 476234, 930821, 1861642, 10239031, 20478062]

約数ペア:

[(1, 20478062), (2, 10239031), (11, 1861642), (22, 930821), (43, 476234), (86, 238117), (473, 43294), (946, 21647)]