20579456

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{3739}}^1$

素因数の和:3796

約数の個数: 32

約数和(自身を含む): 41962800

約数和(自身を除く): 21383344

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 3739, 5504, 7478, 14956, 29912, 59824, 119648, 160777, 239296, 321554, 478592, 643108, 1286216, 2572432, 5144864, 10289728, 20579456]

約数ペア:

[(1, 20579456), (2, 10289728), (4, 5144864), (8, 2572432), (16, 1286216), (32, 643108), (43, 478592), (64, 321554), (86, 239296), (128, 160777), (172, 119648), (344, 59824), (688, 29912), (1376, 14956), (2752, 7478), (3739, 5504)]