20710872

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:170

約数の個数: 192

約数和(自身を含む): 72072000

約数和(自身を除く): 51361128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 29, 36, 39, 42, 52, 56, 58, 63, 72, 78, 84, 87, 91, 104, 109, 116, 117, 126, 156, 168, 174, 182, 203, 218, 232, 234, 252, 261, 273, 312, 327, 348, 364, 377, 406, 436, 468, 504, 522, 546, 609, 654, 696, 728, 754, 763, 812, 819, 872, 936, 981, 1044, 1092, 1131, 1218, 1308, 1417, 1508, 1526, 1624, 1638, 1827, 1962, 2088, 2184, 2262, 2289, 2436, 2616, 2639, 2834, 3016, 3052, 3161, 3276, 3393, 3654, 3924, 4251, 4524, 4578, 4872, 5278, 5668, 6104, 6322, 6552, 6786, 6867, 7308, 7848, 7917, 8502, 9048, 9156, 9483, 9919, 10556, 11336, 12644, 12753, 13572, 13734, 14616, 15834, 17004, 18312, 18966, 19838, 21112, 22127, 23751, 25288, 25506, 27144, 27468, 28449, 29757, 31668, 34008, 37932, 39676, 41093, 44254, 47502, 51012, 54936, 56898, 59514, 63336, 66381, 75864, 79352, 82186, 88508, 89271, 95004, 102024, 113796, 119028, 123279, 132762, 164372, 177016, 178542, 190008, 199143, 227592, 238056, 246558, 265524, 287651, 328744, 357084, 369837, 398286, 493116, 531048, 575302, 714168, 739674, 796572, 862953, 986232, 1150604, 1479348, 1593144, 1725906, 2301208, 2588859, 2958696, 3451812, 5177718, 6903624, 10355436, 20710872]

約数ペア:

[(1, 20710872), (2, 10355436), (3, 6903624), (4, 5177718), (6, 3451812), (7, 2958696), (8, 2588859), (9, 2301208), (12, 1725906), (13, 1593144), (14, 1479348), (18, 1150604), (21, 986232), (24, 862953), (26, 796572), (28, 739674), (29, 714168), (36, 575302), (39, 531048), (42, 493116), (52, 398286), (56, 369837), (58, 357084), (63, 328744), (72, 287651), (78, 265524), (84, 246558), (87, 238056), (91, 227592), (104, 199143), (109, 190008), (116, 178542), (117, 177016), (126, 164372), (156, 132762), (168, 123279), (174, 119028), (182, 113796), (203, 102024), (218, 95004), (232, 89271), (234, 88508), (252, 82186), (261, 79352), (273, 75864), (312, 66381), (327, 63336), (348, 59514), (364, 56898), (377, 54936), (406, 51012), (436, 47502), (468, 44254), (504, 41093), (522, 39676), (546, 37932), (609, 34008), (654, 31668), (696, 29757), (728, 28449), (754, 27468), (763, 27144), (812, 25506), (819, 25288), (872, 23751), (936, 22127), (981, 21112), (1044, 19838), (1092, 18966), (1131, 18312), (1218, 17004), (1308, 15834), (1417, 14616), (1508, 13734), (1526, 13572), (1624, 12753), (1638, 12644), (1827, 11336), (1962, 10556), (2088, 9919), (2184, 9483), (2262, 9156), (2289, 9048), (2436, 8502), (2616, 7917), (2639, 7848), (2834, 7308), (3016, 6867), (3052, 6786), (3161, 6552), (3276, 6322), (3393, 6104), (3654, 5668), (3924, 5278), (4251, 4872), (4524, 4578)]