20328205184

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:525

約数の個数: 256

約数和(自身を含む): 51290496000

約数和(自身を除く): 30962290816

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 32, 38, 46, 56, 64, 76, 92, 112, 128, 133, 152, 161, 184, 193, 224, 266, 269, 304, 322, 368, 386, 437, 448, 532, 538, 608, 644, 736, 772, 874, 896, 1064, 1076, 1216, 1288, 1351, 1472, 1544, 1748, 1883, 2128, 2152, 2432, 2576, 2702, 2944, 3059, 3088, 3496, 3667, 3766, 4256, 4304, 4439, 5111, 5152, 5404, 6118, 6176, 6187, 6992, 7334, 7532, 8512, 8608, 8878, 10222, 10304, 10808, 12236, 12352, 12374, 13984, 14668, 15064, 17024, 17216, 17756, 20444, 20608, 21616, 24472, 24704, 24748, 25669, 27968, 29336, 30128, 31073, 34432, 35512, 35777, 40888, 43232, 43309, 48944, 49496, 51338, 51917, 55936, 58672, 60256, 62146, 71024, 71554, 81776, 84341, 86464, 86618, 97888, 98992, 102676, 103834, 117344, 117553, 120512, 124292, 142048, 143108, 163552, 168682, 172928, 173236, 195776, 197984, 205352, 207668, 234688, 235106, 241024, 248584, 284096, 286216, 327104, 337364, 346472, 363419, 391552, 395968, 410704, 415336, 469376, 470212, 497168, 568192, 572432, 590387, 654208, 674728, 692944, 726838, 791936, 821408, 822871, 830672, 940424, 986423, 994336, 1144864, 1180774, 1194091, 1349456, 1385888, 1453676, 1642816, 1645742, 1661344, 1880848, 1972846, 1988672, 2289728, 2361548, 2388182, 2698912, 2771776, 2907352, 3285632, 3291484, 3322688, 3761696, 3945692, 3977344, 4579456, 4723096, 4776364, 5397824, 5543552, 5814704, 6582968, 6645376, 6904961, 7523392, 7891384, 8358637, 9446192, 9552728, 10795648, 11629408, 13165936, 13809922, 15046784, 15782768, 16717274, 18892384, 19105456, 22687729, 23258816, 26331872, 27619844, 31565536, 33434548, 37784768, 38210912, 45375458, 46517632, 52663744, 55239688, 63131072, 66869096, 75569536, 76421824, 90750916, 105327488, 110479376, 126262144, 133738192, 152843648, 158814103, 181501832, 220958752, 267476384, 317628206, 363003664, 441917504, 534952768, 635256412, 726007328, 883835008, 1069905536, 1270512824, 1452014656, 2541025648, 2904029312, 5082051296, 10164102592, 20328205184]

約数ペア:

[(1, 20328205184), (2, 10164102592), (4, 5082051296), (7, 2904029312), (8, 2541025648), (14, 1452014656), (16, 1270512824), (19, 1069905536), (23, 883835008), (28, 726007328), (32, 635256412), (38, 534952768), (46, 441917504), (56, 363003664), (64, 317628206), (76, 267476384), (92, 220958752), (112, 181501832), (128, 158814103), (133, 152843648), (152, 133738192), (161, 126262144), (184, 110479376), (193, 105327488), (224, 90750916), (266, 76421824), (269, 75569536), (304, 66869096), (322, 63131072), (368, 55239688), (386, 52663744), (437, 46517632), (448, 45375458), (532, 38210912), (538, 37784768), (608, 33434548), (644, 31565536), (736, 27619844), (772, 26331872), (874, 23258816), (896, 22687729), (1064, 19105456), (1076, 18892384), (1216, 16717274), (1288, 15782768), (1351, 15046784), (1472, 13809922), (1544, 13165936), (1748, 11629408), (1883, 10795648), (2128, 9552728), (2152, 9446192), (2432, 8358637), (2576, 7891384), (2702, 7523392), (2944, 6904961), (3059, 6645376), (3088, 6582968), (3496, 5814704), (3667, 5543552), (3766, 5397824), (4256, 4776364), (4304, 4723096), (4439, 4579456), (5111, 3977344), (5152, 3945692), (5404, 3761696), (6118, 3322688), (6176, 3291484), (6187, 3285632), (6992, 2907352), (7334, 2771776), (7532, 2698912), (8512, 2388182), (8608, 2361548), (8878, 2289728), (10222, 1988672), (10304, 1972846), (10808, 1880848), (12236, 1661344), (12352, 1645742), (12374, 1642816), (13984, 1453676), (14668, 1385888), (15064, 1349456), (17024, 1194091), (17216, 1180774), (17756, 1144864), (20444, 994336), (20608, 986423), (21616, 940424), (24472, 830672), (24704, 822871), (24748, 821408), (25669, 791936), (27968, 726838), (29336, 692944), (30128, 674728), (31073, 654208), (34432, 590387), (35512, 572432), (35777, 568192), (40888, 497168), (43232, 470212), (43309, 469376), (48944, 415336), (49496, 410704), (51338, 395968), (51917, 391552), (55936, 363419), (58672, 346472), (60256, 337364), (62146, 327104), (71024, 286216), (71554, 284096), (81776, 248584), (84341, 241024), (86464, 235106), (86618, 234688), (97888, 207668), (98992, 205352), (102676, 197984), (103834, 195776), (117344, 173236), (117553, 172928), (120512, 168682), (124292, 163552), (142048, 143108)]