20581312

素因数分解:

$2^6\times {\mathrm{353}}^1\times {\mathrm{911}}^1$

素因数の和:1276

約数の個数: 28

約数和(自身を含む): 41001696

約数和(自身を除く): 20420384

約数列:

[1, 2, 4, 8, 16, 32, 64, 353, 706, 911, 1412, 1822, 2824, 3644, 5648, 7288, 11296, 14576, 22592, 29152, 58304, 321583, 643166, 1286332, 2572664, 5145328, 10290656, 20581312]

約数ペア:

[(1, 20581312), (2, 10290656), (4, 5145328), (8, 2572664), (16, 1286332), (32, 643166), (64, 321583), (353, 58304), (706, 29152), (911, 22592), (1412, 14576), (1822, 11296), (2824, 7288), (3644, 5648)]