20806842

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{495401}}^1$

素因数の和:495413

約数の個数: 16

約数和(自身を含む): 47558592

約数和(自身を除く): 26751750

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 495401, 990802, 1486203, 2972406, 3467807, 6935614, 10403421, 20806842]

約数ペア:

[(1, 20806842), (2, 10403421), (3, 6935614), (6, 3467807), (7, 2972406), (14, 1486203), (21, 990802), (42, 495401)]