20901778128

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:871

約数の個数: 360

約数和(自身を含む): 73837982400

約数和(自身を除く): 52936204272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 42, 44, 48, 56, 63, 66, 72, 77, 84, 88, 99, 112, 121, 126, 132, 144, 154, 168, 176, 198, 231, 242, 252, 264, 308, 336, 363, 396, 409, 419, 462, 484, 504, 528, 616, 693, 726, 792, 818, 838, 847, 924, 968, 1008, 1089, 1227, 1232, 1257, 1386, 1452, 1584, 1636, 1676, 1694, 1848, 1936, 2178, 2454, 2514, 2541, 2772, 2863, 2904, 2933, 3272, 3352, 3388, 3681, 3696, 3771, 4356, 4499, 4609, 4908, 5028, 5082, 5544, 5726, 5808, 5866, 6544, 6704, 6776, 7362, 7542, 7623, 8589, 8712, 8799, 8998, 9218, 9816, 10056, 10164, 11088, 11452, 11732, 13497, 13552, 13827, 14724, 15084, 15246, 17178, 17424, 17598, 17996, 18436, 19632, 20112, 20328, 22904, 23464, 25767, 26397, 26994, 27654, 29448, 30168, 30492, 31493, 32263, 34356, 35196, 35992, 36872, 40491, 40656, 41481, 45808, 46928, 49489, 50699, 51534, 52794, 53988, 55308, 58896, 60336, 60984, 62986, 64526, 68712, 70392, 71984, 73744, 80982, 82962, 94479, 96789, 98978, 101398, 103068, 105588, 107976, 110616, 121968, 125972, 129052, 137424, 140784, 148467, 152097, 161964, 165924, 171371, 188958, 193578, 197956, 202796, 206136, 211176, 215952, 221232, 251944, 258104, 283437, 290367, 296934, 304194, 323928, 331848, 342742, 346423, 354893, 377916, 387156, 395912, 405592, 412272, 422352, 445401, 456291, 503888, 514113, 516208, 566874, 580734, 593868, 608388, 647856, 663696, 685484, 692846, 709786, 755832, 774312, 791824, 811184, 890802, 912582, 1028226, 1039269, 1064679, 1133748, 1161468, 1187736, 1199597, 1216776, 1370968, 1385692, 1419572, 1511664, 1542339, 1548624, 1781604, 1825164, 1885081, 2056452, 2078538, 2129358, 2267496, 2322936, 2375472, 2399194, 2433552, 2741936, 2771384, 2839144, 3084678, 3117807, 3194037, 3563208, 3598791, 3650328, 3770162, 4112904, 4157076, 4258716, 4534992, 4645872, 4798388, 5542768, 5655243, 5678288, 6169356, 6235614, 6388074, 7126416, 7197582, 7300656, 7540324, 8225808, 8314152, 8517432, 9596776, 10796373, 11310486, 12338712, 12471228, 12776148, 13195567, 14395164, 15080648, 16628304, 16965729, 17034864, 19193552, 20735891, 21592746, 22620972, 24677424, 24942456, 25552296, 26391134, 28790328, 30161296, 33931458, 39586701, 41471782, 43185492, 45241944, 49884912, 51104592, 52782268, 57580656, 62207673, 67862916, 79173402, 82943564, 86370984, 90483888, 105564536, 118760103, 124415346, 135725832, 145151237, 158346804, 165887128, 172741968, 186623019, 211129072, 237520206, 248830692, 271451664, 290302474, 316693608, 331774256, 373246038, 435453711, 475040412, 497661384, 580604948, 633387216, 746492076, 870907422, 950080824, 995322768, 1161209896, 1306361133, 1492984152, 1741814844, 1900161648, 2322419792, 2612722266, 2985968304, 3483629688, 5225444532, 6967259376, 10450889064, 20901778128]

約数ペア:

[(1, 20901778128), (2, 10450889064), (3, 6967259376), (4, 5225444532), (6, 3483629688), (7, 2985968304), (8, 2612722266), (9, 2322419792), (11, 1900161648), (12, 1741814844), (14, 1492984152), (16, 1306361133), (18, 1161209896), (21, 995322768), (22, 950080824), (24, 870907422), (28, 746492076), (33, 633387216), (36, 580604948), (42, 497661384), (44, 475040412), (48, 435453711), (56, 373246038), (63, 331774256), (66, 316693608), (72, 290302474), (77, 271451664), (84, 248830692), (88, 237520206), (99, 211129072), (112, 186623019), (121, 172741968), (126, 165887128), (132, 158346804), (144, 145151237), (154, 135725832), (168, 124415346), (176, 118760103), (198, 105564536), (231, 90483888), (242, 86370984), (252, 82943564), (264, 79173402), (308, 67862916), (336, 62207673), (363, 57580656), (396, 52782268), (409, 51104592), (419, 49884912), (462, 45241944), (484, 43185492), (504, 41471782), (528, 39586701), (616, 33931458), (693, 30161296), (726, 28790328), (792, 26391134), (818, 25552296), (838, 24942456), (847, 24677424), (924, 22620972), (968, 21592746), (1008, 20735891), (1089, 19193552), (1227, 17034864), (1232, 16965729), (1257, 16628304), (1386, 15080648), (1452, 14395164), (1584, 13195567), (1636, 12776148), (1676, 12471228), (1694, 12338712), (1848, 11310486), (1936, 10796373), (2178, 9596776), (2454, 8517432), (2514, 8314152), (2541, 8225808), (2772, 7540324), (2863, 7300656), (2904, 7197582), (2933, 7126416), (3272, 6388074), (3352, 6235614), (3388, 6169356), (3681, 5678288), (3696, 5655243), (3771, 5542768), (4356, 4798388), (4499, 4645872), (4609, 4534992), (4908, 4258716), (5028, 4157076), (5082, 4112904), (5544, 3770162), (5726, 3650328), (5808, 3598791), (5866, 3563208), (6544, 3194037), (6704, 3117807), (6776, 3084678), (7362, 2839144), (7542, 2771384), (7623, 2741936), (8589, 2433552), (8712, 2399194), (8799, 2375472), (8998, 2322936), (9218, 2267496), (9816, 2129358), (10056, 2078538), (10164, 2056452), (11088, 1885081), (11452, 1825164), (11732, 1781604), (13497, 1548624), (13552, 1542339), (13827, 1511664), (14724, 1419572), (15084, 1385692), (15246, 1370968), (17178, 1216776), (17424, 1199597), (17598, 1187736), (17996, 1161468), (18436, 1133748), (19632, 1064679), (20112, 1039269), (20328, 1028226), (22904, 912582), (23464, 890802), (25767, 811184), (26397, 791824), (26994, 774312), (27654, 755832), (29448, 709786), (30168, 692846), (30492, 685484), (31493, 663696), (32263, 647856), (34356, 608388), (35196, 593868), (35992, 580734), (36872, 566874), (40491, 516208), (40656, 514113), (41481, 503888), (45808, 456291), (46928, 445401), (49489, 422352), (50699, 412272), (51534, 405592), (52794, 395912), (53988, 387156), (55308, 377916), (58896, 354893), (60336, 346423), (60984, 342742), (62986, 331848), (64526, 323928), (68712, 304194), (70392, 296934), (71984, 290367), (73744, 283437), (80982, 258104), (82962, 251944), (94479, 221232), (96789, 215952), (98978, 211176), (101398, 206136), (103068, 202796), (105588, 197956), (107976, 193578), (110616, 188958), (121968, 171371), (125972, 165924), (129052, 161964), (137424, 152097), (140784, 148467)]