20605216

素因数分解:

$2^5\times {\mathrm{457}}^1\times {\mathrm{1409}}^1$

素因数の和:1876

約数の個数: 24

約数和(自身を含む): 40684140

約数和(自身を除く): 20078924

約数列:

[1, 2, 4, 8, 16, 32, 457, 914, 1409, 1828, 2818, 3656, 5636, 7312, 11272, 14624, 22544, 45088, 643913, 1287826, 2575652, 5151304, 10302608, 20605216]

約数ペア:

[(1, 20605216), (2, 10302608), (4, 5151304), (8, 2575652), (16, 1287826), (32, 643913), (457, 45088), (914, 22544), (1409, 14624), (1828, 11272), (2818, 7312), (3656, 5636)]