20992893648

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1\times {\mathrm{523}}^1$

素因数の和:901

約数の個数: 160

約数和(自身を含む): 56621126016

約数和(自身を除く): 35628232368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 97, 111, 148, 194, 222, 233, 291, 296, 388, 444, 466, 523, 582, 592, 699, 776, 888, 932, 1046, 1164, 1398, 1552, 1569, 1776, 1864, 2092, 2328, 2796, 3138, 3589, 3728, 4184, 4656, 5592, 6276, 7178, 8368, 8621, 10767, 11184, 12552, 14356, 17242, 19351, 21534, 22601, 25104, 25863, 28712, 34484, 38702, 43068, 45202, 50731, 51726, 57424, 58053, 67803, 68968, 77404, 86136, 90404, 101462, 103452, 116106, 121859, 135606, 137936, 152193, 154808, 172272, 180808, 202924, 206904, 232212, 243718, 271212, 304386, 309616, 361616, 365577, 405848, 413808, 464424, 487436, 542424, 608772, 731154, 811696, 836237, 928848, 974872, 1084848, 1217544, 1462308, 1672474, 1877047, 1949744, 2435088, 2508711, 2924616, 3344948, 3754094, 4508783, 5017422, 5631141, 5849232, 6689896, 7508188, 9017566, 10034844, 11262282, 11820323, 13379792, 13526349, 15016376, 18035132, 20069688, 22524564, 23640646, 27052698, 30032752, 35460969, 36070264, 40139376, 45049128, 47281292, 54105396, 70921938, 72140528, 90098256, 94562584, 108210792, 141843876, 189125168, 216421584, 283687752, 437351951, 567375504, 874703902, 1312055853, 1749407804, 2624111706, 3498815608, 5248223412, 6997631216, 10496446824, 20992893648]

約数ペア:

[(1, 20992893648), (2, 10496446824), (3, 6997631216), (4, 5248223412), (6, 3498815608), (8, 2624111706), (12, 1749407804), (16, 1312055853), (24, 874703902), (37, 567375504), (48, 437351951), (74, 283687752), (97, 216421584), (111, 189125168), (148, 141843876), (194, 108210792), (222, 94562584), (233, 90098256), (291, 72140528), (296, 70921938), (388, 54105396), (444, 47281292), (466, 45049128), (523, 40139376), (582, 36070264), (592, 35460969), (699, 30032752), (776, 27052698), (888, 23640646), (932, 22524564), (1046, 20069688), (1164, 18035132), (1398, 15016376), (1552, 13526349), (1569, 13379792), (1776, 11820323), (1864, 11262282), (2092, 10034844), (2328, 9017566), (2796, 7508188), (3138, 6689896), (3589, 5849232), (3728, 5631141), (4184, 5017422), (4656, 4508783), (5592, 3754094), (6276, 3344948), (7178, 2924616), (8368, 2508711), (8621, 2435088), (10767, 1949744), (11184, 1877047), (12552, 1672474), (14356, 1462308), (17242, 1217544), (19351, 1084848), (21534, 974872), (22601, 928848), (25104, 836237), (25863, 811696), (28712, 731154), (34484, 608772), (38702, 542424), (43068, 487436), (45202, 464424), (50731, 413808), (51726, 405848), (57424, 365577), (58053, 361616), (67803, 309616), (68968, 304386), (77404, 271212), (86136, 243718), (90404, 232212), (101462, 206904), (103452, 202924), (116106, 180808), (121859, 172272), (135606, 154808), (137936, 152193)]