20781638208

素因数分解:

$2^6\times 3^3\times {\mathrm{19}}^1\times {\mathrm{577}}^1\times {\mathrm{1097}}^1$

素因数の和:1714

約数の個数: 224

約数和(自身を含む): 64479830400

約数和(自身を除く): 43698192192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 144, 152, 171, 192, 216, 228, 288, 304, 342, 432, 456, 513, 576, 577, 608, 684, 864, 912, 1026, 1097, 1154, 1216, 1368, 1728, 1731, 1824, 2052, 2194, 2308, 2736, 3291, 3462, 3648, 4104, 4388, 4616, 5193, 5472, 6582, 6924, 8208, 8776, 9232, 9873, 10386, 10944, 10963, 13164, 13848, 15579, 16416, 17552, 18464, 19746, 20772, 20843, 21926, 26328, 27696, 29619, 31158, 32832, 32889, 35104, 36928, 39492, 41544, 41686, 43852, 52656, 55392, 59238, 62316, 62529, 65778, 70208, 78984, 83088, 83372, 87704, 98667, 105312, 110784, 118476, 124632, 125058, 131556, 157968, 166176, 166744, 175408, 187587, 197334, 210624, 236952, 249264, 250116, 263112, 296001, 315936, 332352, 333488, 350816, 375174, 394668, 473904, 498528, 500232, 526224, 562761, 592002, 631872, 632969, 666976, 701632, 750348, 789336, 947808, 997056, 1000464, 1052448, 1125522, 1184004, 1265938, 1333952, 1500696, 1578672, 1895616, 1898907, 2000928, 2104896, 2251044, 2368008, 2531876, 3001392, 3157344, 3797814, 4001856, 4502088, 4736016, 5063752, 5696721, 6002784, 6314688, 7595628, 9004176, 9472032, 10127504, 11393442, 12005568, 12026411, 15191256, 17090163, 18008352, 18944064, 20255008, 22786884, 24052822, 30382512, 34180326, 36016704, 36079233, 40510016, 45573768, 48105644, 60765024, 68360652, 72158466, 91147536, 96211288, 108237699, 121530048, 136721304, 144316932, 182295072, 192422576, 216475398, 273442608, 288633864, 324713097, 364590144, 384845152, 432950796, 546885216, 577267728, 649426194, 769690304, 865901592, 1093770432, 1154535456, 1298852388, 1731803184, 2309070912, 2597704776, 3463606368, 5195409552, 6927212736, 10390819104, 20781638208]

約数ペア:

[(1, 20781638208), (2, 10390819104), (3, 6927212736), (4, 5195409552), (6, 3463606368), (8, 2597704776), (9, 2309070912), (12, 1731803184), (16, 1298852388), (18, 1154535456), (19, 1093770432), (24, 865901592), (27, 769690304), (32, 649426194), (36, 577267728), (38, 546885216), (48, 432950796), (54, 384845152), (57, 364590144), (64, 324713097), (72, 288633864), (76, 273442608), (96, 216475398), (108, 192422576), (114, 182295072), (144, 144316932), (152, 136721304), (171, 121530048), (192, 108237699), (216, 96211288), (228, 91147536), (288, 72158466), (304, 68360652), (342, 60765024), (432, 48105644), (456, 45573768), (513, 40510016), (576, 36079233), (577, 36016704), (608, 34180326), (684, 30382512), (864, 24052822), (912, 22786884), (1026, 20255008), (1097, 18944064), (1154, 18008352), (1216, 17090163), (1368, 15191256), (1728, 12026411), (1731, 12005568), (1824, 11393442), (2052, 10127504), (2194, 9472032), (2308, 9004176), (2736, 7595628), (3291, 6314688), (3462, 6002784), (3648, 5696721), (4104, 5063752), (4388, 4736016), (4616, 4502088), (5193, 4001856), (5472, 3797814), (6582, 3157344), (6924, 3001392), (8208, 2531876), (8776, 2368008), (9232, 2251044), (9873, 2104896), (10386, 2000928), (10944, 1898907), (10963, 1895616), (13164, 1578672), (13848, 1500696), (15579, 1333952), (16416, 1265938), (17552, 1184004), (18464, 1125522), (19746, 1052448), (20772, 1000464), (20843, 997056), (21926, 947808), (26328, 789336), (27696, 750348), (29619, 701632), (31158, 666976), (32832, 632969), (32889, 631872), (35104, 592002), (36928, 562761), (39492, 526224), (41544, 500232), (41686, 498528), (43852, 473904), (52656, 394668), (55392, 375174), (59238, 350816), (62316, 333488), (62529, 332352), (65778, 315936), (70208, 296001), (78984, 263112), (83088, 250116), (83372, 249264), (87704, 236952), (98667, 210624), (105312, 197334), (110784, 187587), (118476, 175408), (124632, 166744), (125058, 166176), (131556, 157968)]