20501208

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:191

約数の個数: 192

約数和(自身を含む): 71820000

約数和(自身を除く): 51318792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 49, 52, 54, 56, 63, 72, 78, 84, 91, 98, 104, 108, 117, 126, 147, 149, 156, 168, 182, 189, 196, 216, 234, 252, 273, 294, 298, 312, 351, 364, 378, 392, 441, 447, 468, 504, 546, 588, 596, 637, 702, 728, 756, 819, 882, 894, 936, 1043, 1092, 1176, 1192, 1274, 1323, 1341, 1404, 1512, 1638, 1764, 1788, 1911, 1937, 2086, 2184, 2457, 2548, 2646, 2682, 2808, 3129, 3276, 3528, 3576, 3822, 3874, 4023, 4172, 4914, 5096, 5292, 5364, 5733, 5811, 6258, 6552, 7301, 7644, 7748, 8046, 8344, 9387, 9828, 10584, 10728, 11466, 11622, 12516, 13559, 14602, 15288, 15496, 16092, 17199, 17433, 18774, 19656, 21903, 22932, 23244, 25032, 27118, 28161, 29204, 32184, 34398, 34866, 37548, 40677, 43806, 45864, 46488, 52299, 54236, 56322, 58408, 65709, 68796, 69732, 75096, 81354, 87612, 94913, 104598, 108472, 112644, 122031, 131418, 137592, 139464, 162708, 175224, 189826, 197127, 209196, 225288, 244062, 262836, 284739, 325416, 366093, 379652, 394254, 418392, 488124, 525672, 569478, 732186, 759304, 788508, 854217, 976248, 1138956, 1464372, 1577016, 1708434, 2277912, 2562651, 2928744, 3416868, 5125302, 6833736, 10250604, 20501208]

約数ペア:

[(1, 20501208), (2, 10250604), (3, 6833736), (4, 5125302), (6, 3416868), (7, 2928744), (8, 2562651), (9, 2277912), (12, 1708434), (13, 1577016), (14, 1464372), (18, 1138956), (21, 976248), (24, 854217), (26, 788508), (27, 759304), (28, 732186), (36, 569478), (39, 525672), (42, 488124), (49, 418392), (52, 394254), (54, 379652), (56, 366093), (63, 325416), (72, 284739), (78, 262836), (84, 244062), (91, 225288), (98, 209196), (104, 197127), (108, 189826), (117, 175224), (126, 162708), (147, 139464), (149, 137592), (156, 131418), (168, 122031), (182, 112644), (189, 108472), (196, 104598), (216, 94913), (234, 87612), (252, 81354), (273, 75096), (294, 69732), (298, 68796), (312, 65709), (351, 58408), (364, 56322), (378, 54236), (392, 52299), (441, 46488), (447, 45864), (468, 43806), (504, 40677), (546, 37548), (588, 34866), (596, 34398), (637, 32184), (702, 29204), (728, 28161), (756, 27118), (819, 25032), (882, 23244), (894, 22932), (936, 21903), (1043, 19656), (1092, 18774), (1176, 17433), (1192, 17199), (1274, 16092), (1323, 15496), (1341, 15288), (1404, 14602), (1512, 13559), (1638, 12516), (1764, 11622), (1788, 11466), (1911, 10728), (1937, 10584), (2086, 9828), (2184, 9387), (2457, 8344), (2548, 8046), (2646, 7748), (2682, 7644), (2808, 7301), (3129, 6552), (3276, 6258), (3528, 5811), (3576, 5733), (3822, 5364), (3874, 5292), (4023, 5096), (4172, 4914)]