20808392

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1321}}^1$

素因数の和:1517

約数の個数: 32

約数和(自身を含む): 42832800

約数和(自身を除く): 22024408

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 179, 358, 716, 1321, 1432, 1969, 2642, 3938, 5284, 7876, 10568, 14531, 15752, 29062, 58124, 116248, 236459, 472918, 945836, 1891672, 2601049, 5202098, 10404196, 20808392]

約数ペア:

[(1, 20808392), (2, 10404196), (4, 5202098), (8, 2601049), (11, 1891672), (22, 945836), (44, 472918), (88, 236459), (179, 116248), (358, 58124), (716, 29062), (1321, 15752), (1432, 14531), (1969, 10568), (2642, 7876), (3938, 5284)]