20892176

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:479

約数の個数: 40

約数和(自身を含む): 41943744

約数和(自身を除く): 21051568

約数列:

[1, 2, 4, 8, 16, 53, 71, 106, 142, 212, 284, 347, 424, 568, 694, 848, 1136, 1388, 2776, 3763, 5552, 7526, 15052, 18391, 24637, 30104, 36782, 49274, 60208, 73564, 98548, 147128, 197096, 294256, 394192, 1305761, 2611522, 5223044, 10446088, 20892176]

約数ペア:

[(1, 20892176), (2, 10446088), (4, 5223044), (8, 2611522), (16, 1305761), (53, 394192), (71, 294256), (106, 197096), (142, 147128), (212, 98548), (284, 73564), (347, 60208), (424, 49274), (568, 36782), (694, 30104), (848, 24637), (1136, 18391), (1388, 15052), (2776, 7526), (3763, 5552)]