20828512

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{15137}}^1$

素因数の和:15190

約数の個数: 24

約数和(自身を含む): 41962536

約数和(自身を除く): 21134024

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 15137, 30274, 60548, 121096, 242192, 484384, 650891, 1301782, 2603564, 5207128, 10414256, 20828512]

約数ペア:

[(1, 20828512), (2, 10414256), (4, 5207128), (8, 2603564), (16, 1301782), (32, 650891), (43, 484384), (86, 242192), (172, 121096), (344, 60548), (688, 30274), (1376, 15137)]