20170388

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2803}}^1$

素因数の和:3071

約数の個数: 24

約数和(自身を含む): 40512192

約数和(自身を除く): 20341804

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 2803, 3598, 5606, 7196, 11212, 19621, 39242, 78484, 720371, 1440742, 2881484, 5042597, 10085194, 20170388]

約数ペア:

[(1, 20170388), (2, 10085194), (4, 5042597), (7, 2881484), (14, 1440742), (28, 720371), (257, 78484), (514, 39242), (1028, 19621), (1799, 11212), (2803, 7196), (3598, 5606)]