20771432

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1223}}^1$

素因数の和:1433

約数の個数: 32

約数和(自身を含む): 42742080

約数和(自身を除く): 21970648

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 193, 386, 772, 1223, 1544, 2123, 2446, 4246, 4892, 8492, 9784, 13453, 16984, 26906, 53812, 107624, 236039, 472078, 944156, 1888312, 2596429, 5192858, 10385716, 20771432]

約数ペア:

[(1, 20771432), (2, 10385716), (4, 5192858), (8, 2596429), (11, 1888312), (22, 944156), (44, 472078), (88, 236039), (193, 107624), (386, 53812), (772, 26906), (1223, 16984), (1544, 13453), (2123, 9784), (2446, 8492), (4246, 4892)]