20161949276

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1\times {\mathrm{27449}}^1$

素因数の和:28206

約数の個数: 48

約数和(自身を含む): 41473656000

約数和(自身を除く): 21311706724

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 709, 1036, 1418, 2836, 4963, 9926, 19852, 26233, 27449, 52466, 54898, 104932, 109796, 183631, 192143, 367262, 384286, 734524, 768572, 1015613, 2031226, 4062452, 7109291, 14218582, 19461341, 28437164, 38922682, 77845364, 136229387, 272458774, 544917548, 720069617, 1440139234, 2880278468, 5040487319, 10080974638, 20161949276]

約数ペア:

[(1, 20161949276), (2, 10080974638), (4, 5040487319), (7, 2880278468), (14, 1440139234), (28, 720069617), (37, 544917548), (74, 272458774), (148, 136229387), (259, 77845364), (518, 38922682), (709, 28437164), (1036, 19461341), (1418, 14218582), (2836, 7109291), (4963, 4062452), (9926, 2031226), (19852, 1015613), (26233, 768572), (27449, 734524), (52466, 384286), (54898, 367262), (104932, 192143), (109796, 183631)]