20464576

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{709}}^1$

素因数の和:773

約数の個数: 56

約数和(自身を含む): 45445680

約数和(自身を除く): 24981104

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 64, 82, 88, 164, 176, 328, 352, 451, 656, 704, 709, 902, 1312, 1418, 1804, 2624, 2836, 3608, 5672, 7216, 7799, 11344, 14432, 15598, 22688, 28864, 29069, 31196, 45376, 58138, 62392, 116276, 124784, 232552, 249568, 319759, 465104, 499136, 639518, 930208, 1279036, 1860416, 2558072, 5116144, 10232288, 20464576]

約数ペア:

[(1, 20464576), (2, 10232288), (4, 5116144), (8, 2558072), (11, 1860416), (16, 1279036), (22, 930208), (32, 639518), (41, 499136), (44, 465104), (64, 319759), (82, 249568), (88, 232552), (164, 124784), (176, 116276), (328, 62392), (352, 58138), (451, 45376), (656, 31196), (704, 29069), (709, 28864), (902, 22688), (1312, 15598), (1418, 14432), (1804, 11344), (2624, 7799), (2836, 7216), (3608, 5672)]