20777328

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1009}}^1$

素因数の和:1047

約数の個数: 120

約数和(自身を含む): 68381040

約数和(自身を除く): 47603712

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 33, 36, 39, 44, 48, 52, 66, 72, 78, 88, 99, 104, 117, 132, 143, 144, 156, 176, 198, 208, 234, 264, 286, 312, 396, 429, 468, 528, 572, 624, 792, 858, 936, 1009, 1144, 1287, 1584, 1716, 1872, 2018, 2288, 2574, 3027, 3432, 4036, 5148, 6054, 6864, 8072, 9081, 10296, 11099, 12108, 13117, 16144, 18162, 20592, 22198, 24216, 26234, 33297, 36324, 39351, 44396, 48432, 52468, 66594, 72648, 78702, 88792, 99891, 104936, 118053, 133188, 144287, 145296, 157404, 177584, 199782, 209872, 236106, 266376, 288574, 314808, 399564, 432861, 472212, 532752, 577148, 629616, 799128, 865722, 944424, 1154296, 1298583, 1598256, 1731444, 1888848, 2308592, 2597166, 3462888, 5194332, 6925776, 10388664, 20777328]

約数ペア:

[(1, 20777328), (2, 10388664), (3, 6925776), (4, 5194332), (6, 3462888), (8, 2597166), (9, 2308592), (11, 1888848), (12, 1731444), (13, 1598256), (16, 1298583), (18, 1154296), (22, 944424), (24, 865722), (26, 799128), (33, 629616), (36, 577148), (39, 532752), (44, 472212), (48, 432861), (52, 399564), (66, 314808), (72, 288574), (78, 266376), (88, 236106), (99, 209872), (104, 199782), (117, 177584), (132, 157404), (143, 145296), (144, 144287), (156, 133188), (176, 118053), (198, 104936), (208, 99891), (234, 88792), (264, 78702), (286, 72648), (312, 66594), (396, 52468), (429, 48432), (468, 44396), (528, 39351), (572, 36324), (624, 33297), (792, 26234), (858, 24216), (936, 22198), (1009, 20592), (1144, 18162), (1287, 16144), (1584, 13117), (1716, 12108), (1872, 11099), (2018, 10296), (2288, 9081), (2574, 8072), (3027, 6864), (3432, 6054), (4036, 5148)]