20139444

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1871}}^1$

素因数の和:1917

約数の個数: 72

約数和(自身を含む): 57238272

約数和(自身を除く): 37098828

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 1871, 2691, 3588, 3742, 5382, 5613, 7484, 10764, 11226, 16839, 22452, 24323, 33678, 43033, 48646, 67356, 72969, 86066, 97292, 129099, 145938, 172132, 218907, 258198, 291876, 387297, 437814, 516396, 559429, 774594, 875628, 1118858, 1549188, 1678287, 2237716, 3356574, 5034861, 6713148, 10069722, 20139444]

約数ペア:

[(1, 20139444), (2, 10069722), (3, 6713148), (4, 5034861), (6, 3356574), (9, 2237716), (12, 1678287), (13, 1549188), (18, 1118858), (23, 875628), (26, 774594), (36, 559429), (39, 516396), (46, 437814), (52, 387297), (69, 291876), (78, 258198), (92, 218907), (117, 172132), (138, 145938), (156, 129099), (207, 97292), (234, 86066), (276, 72969), (299, 67356), (414, 48646), (468, 43033), (598, 33678), (828, 24323), (897, 22452), (1196, 16839), (1794, 11226), (1871, 10764), (2691, 7484), (3588, 5613), (3742, 5382)]