20487088

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14387}}^1$

素因数の和:14484

約数の個数: 20

約数和(自身を含む): 40142520

約数和(自身を除く): 19655432

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14387, 28774, 57548, 115096, 230192, 1280443, 2560886, 5121772, 10243544, 20487088]

約数ペア:

[(1, 20487088), (2, 10243544), (4, 5121772), (8, 2560886), (16, 1280443), (89, 230192), (178, 115096), (356, 57548), (712, 28774), (1424, 14387)]