20763410

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 38681280

約数和(自身を除く): 17917870

約数列:

[1, 2, 5, 10, 43, 86, 109, 215, 218, 430, 443, 545, 886, 1090, 2215, 4430, 4687, 9374, 19049, 23435, 38098, 46870, 48287, 95245, 96574, 190490, 241435, 482870, 2076341, 4152682, 10381705, 20763410]

約数ペア:

[(1, 20763410), (2, 10381705), (5, 4152682), (10, 2076341), (43, 482870), (86, 241435), (109, 190490), (215, 96574), (218, 95245), (430, 48287), (443, 46870), (545, 38098), (886, 23435), (1090, 19049), (2215, 9374), (4430, 4687)]