20049470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{286421}}^1$

素因数の和:286435

約数の個数: 16

約数和(自身を含む): 41244768

約数和(自身を除く): 21195298

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 286421, 572842, 1432105, 2004947, 2864210, 4009894, 10024735, 20049470]

約数ペア:

[(1, 20049470), (2, 10024735), (5, 4009894), (7, 2864210), (10, 2004947), (14, 1432105), (35, 572842), (70, 286421)]