20085380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143467}}^1$

素因数の和:143483

約数の個数: 24

約数和(自身を含む): 48205248

約数和(自身を除く): 28119868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143467, 286934, 573868, 717335, 1004269, 1434670, 2008538, 2869340, 4017076, 5021345, 10042690, 20085380]

約数ペア:

[(1, 20085380), (2, 10042690), (4, 5021345), (5, 4017076), (7, 2869340), (10, 2008538), (14, 1434670), (20, 1004269), (28, 717335), (35, 573868), (70, 286934), (140, 143467)]