20982892

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25841}}^1$

素因数の和:25881

約数の個数: 24

約数和(自身を含む): 43414560

約数和(自身を除く): 22431668

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 25841, 51682, 103364, 180887, 361774, 723548, 749389, 1498778, 2997556, 5245723, 10491446, 20982892]

約数ペア:

[(1, 20982892), (2, 10491446), (4, 5245723), (7, 2997556), (14, 1498778), (28, 749389), (29, 723548), (58, 361774), (116, 180887), (203, 103364), (406, 51682), (812, 25841)]