20148976421

素因数分解:

$7^1\times {\mathrm{43}}^2\times {\mathrm{1556747}}^1$

素因数の和:1556840

約数の個数: 12

約数和(自身を含む): 23575391712

約数和(自身を除く): 3426415291

約数列:

[1, 7, 43, 301, 1849, 12943, 1556747, 10897229, 66940121, 468580847, 2878425203, 20148976421]

約数ペア:

[(1, 20148976421), (7, 2878425203), (43, 468580847), (301, 66940121), (1849, 10897229), (12943, 1556747)]