20457871126

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{1031}}^1$

素因数の和:1370

約数の個数: 96

約数和(自身を含む): 39642670080

約数和(自身を除く): 19184798954

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 79, 98, 154, 158, 233, 466, 539, 553, 869, 1031, 1078, 1106, 1631, 1738, 2062, 2563, 3262, 3871, 5126, 6083, 7217, 7742, 11341, 11417, 12166, 14434, 17941, 18407, 22682, 22834, 35882, 36814, 42581, 50519, 79387, 81449, 85162, 101038, 125587, 128849, 158774, 162898, 202477, 240223, 251174, 257698, 404954, 480446, 555709, 570143, 895939, 901943, 1111418, 1140286, 1417339, 1681561, 1791878, 1803886, 2642453, 2834678, 3363122, 3991001, 5284906, 6271573, 7982002, 9921373, 11770927, 12543146, 18497171, 18977617, 19842746, 23541854, 36994342, 37955234, 43901011, 87802022, 129480197, 132843319, 208753787, 258960394, 265686638, 417507574, 929903233, 1461276509, 1859806466, 2922553018, 10228935563, 20457871126]

約数ペア:

[(1, 20457871126), (2, 10228935563), (7, 2922553018), (11, 1859806466), (14, 1461276509), (22, 929903233), (49, 417507574), (77, 265686638), (79, 258960394), (98, 208753787), (154, 132843319), (158, 129480197), (233, 87802022), (466, 43901011), (539, 37955234), (553, 36994342), (869, 23541854), (1031, 19842746), (1078, 18977617), (1106, 18497171), (1631, 12543146), (1738, 11770927), (2062, 9921373), (2563, 7982002), (3262, 6271573), (3871, 5284906), (5126, 3991001), (6083, 3363122), (7217, 2834678), (7742, 2642453), (11341, 1803886), (11417, 1791878), (12166, 1681561), (14434, 1417339), (17941, 1140286), (18407, 1111418), (22682, 901943), (22834, 895939), (35882, 570143), (36814, 555709), (42581, 480446), (50519, 404954), (79387, 257698), (81449, 251174), (85162, 240223), (101038, 202477), (125587, 162898), (128849, 158774)]