20131918744

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{70921}}^1$

素因数の和:71108

約数の個数: 64

約数和(自身を含む): 44629796160

約数和(自身を除く): 24497877416

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 137, 148, 259, 274, 296, 518, 548, 959, 1036, 1096, 1918, 2072, 3836, 5069, 7672, 10138, 20276, 35483, 40552, 70921, 70966, 141842, 141932, 283684, 283864, 496447, 567368, 992894, 1985788, 2624077, 3971576, 5248154, 9716177, 10496308, 18368539, 19432354, 20992616, 36737078, 38864708, 68013239, 73474156, 77729416, 136026478, 146948312, 272052956, 359498549, 544105912, 718997098, 1437994196, 2516489843, 2875988392, 5032979686, 10065959372, 20131918744]

約数ペア:

[(1, 20131918744), (2, 10065959372), (4, 5032979686), (7, 2875988392), (8, 2516489843), (14, 1437994196), (28, 718997098), (37, 544105912), (56, 359498549), (74, 272052956), (137, 146948312), (148, 136026478), (259, 77729416), (274, 73474156), (296, 68013239), (518, 38864708), (548, 36737078), (959, 20992616), (1036, 19432354), (1096, 18368539), (1918, 10496308), (2072, 9716177), (3836, 5248154), (5069, 3971576), (7672, 2624077), (10138, 1985788), (20276, 992894), (35483, 567368), (40552, 496447), (70921, 283864), (70966, 283684), (141842, 141932)]