20156948

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37889}}^1$

素因数の和:37919

約数の個数: 24

約数和(自身を含む): 42436800

約数和(自身を除く): 22279852

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 37889, 75778, 151556, 265223, 530446, 719891, 1060892, 1439782, 2879564, 5039237, 10078474, 20156948]

約数ペア:

[(1, 20156948), (2, 10078474), (4, 5039237), (7, 2879564), (14, 1439782), (19, 1060892), (28, 719891), (38, 530446), (76, 265223), (133, 151556), (266, 75778), (532, 37889)]