20809952

素因数分解:

$2^5\times {\mathrm{457}}^1\times {\mathrm{1423}}^1$

素因数の和:1890

約数の個数: 24

約数和(自身を含む): 41088096

約数和(自身を除く): 20278144

約数列:

[1, 2, 4, 8, 16, 32, 457, 914, 1423, 1828, 2846, 3656, 5692, 7312, 11384, 14624, 22768, 45536, 650311, 1300622, 2601244, 5202488, 10404976, 20809952]

約数ペア:

[(1, 20809952), (2, 10404976), (4, 5202488), (8, 2601244), (16, 1300622), (32, 650311), (457, 45536), (914, 22768), (1423, 14624), (1828, 11384), (2846, 7312), (3656, 5692)]