20908387968

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:640

約数の個数: 384

約数和(自身を含む): 65465395200

約数和(自身を除く): 44557007232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 31, 32, 38, 39, 48, 52, 57, 62, 64, 76, 78, 93, 96, 104, 114, 124, 128, 152, 156, 169, 186, 192, 208, 228, 247, 248, 304, 312, 338, 372, 384, 403, 416, 456, 494, 496, 507, 547, 589, 608, 624, 676, 741, 744, 806, 832, 912, 988, 992, 1014, 1094, 1178, 1209, 1216, 1248, 1352, 1482, 1488, 1612, 1641, 1664, 1767, 1824, 1976, 1984, 2028, 2188, 2356, 2418, 2432, 2496, 2704, 2964, 2976, 3211, 3224, 3282, 3534, 3648, 3952, 3968, 4056, 4376, 4712, 4836, 4992, 5239, 5408, 5928, 5952, 6422, 6448, 6564, 7068, 7111, 7296, 7657, 7904, 8112, 8752, 9424, 9633, 9672, 10393, 10478, 10816, 11856, 11904, 12844, 12896, 13128, 14136, 14222, 15314, 15717, 15808, 16224, 16957, 17504, 18848, 19266, 19344, 20786, 20956, 21333, 21632, 22971, 23712, 25688, 25792, 26256, 28272, 28444, 30628, 31179, 31434, 31616, 32448, 33914, 35008, 37696, 38532, 38688, 41572, 41912, 42666, 45942, 47424, 50871, 51376, 51584, 52512, 56544, 56888, 61256, 62358, 62868, 64896, 67828, 70016, 75392, 77064, 77376, 83144, 83824, 85332, 91884, 92443, 94848, 99541, 101742, 102752, 105024, 113088, 113776, 122512, 124716, 125736, 135109, 135656, 154128, 154752, 166288, 167648, 170664, 183768, 184886, 199082, 203484, 205504, 210048, 220441, 226176, 227552, 245024, 249432, 251472, 270218, 271312, 277329, 298623, 308256, 322183, 332576, 335296, 341328, 367536, 369772, 398164, 405327, 406968, 411008, 440882, 455104, 490048, 498864, 502944, 540436, 542624, 554658, 597246, 616512, 644366, 661323, 665152, 670592, 682656, 735072, 739544, 796328, 810654, 813936, 881764, 910208, 966549, 980096, 997728, 1005888, 1080872, 1085248, 1109316, 1194492, 1233024, 1288732, 1322646, 1330304, 1365312, 1470144, 1479088, 1592656, 1621308, 1627872, 1756417, 1763528, 1933098, 1995456, 2011776, 2161744, 2170496, 2218632, 2388984, 2577464, 2645292, 2730624, 2865733, 2940288, 2958176, 3185312, 3242616, 3255744, 3512834, 3527056, 3866196, 3990912, 4188379, 4323488, 4437264, 4777968, 5154928, 5269251, 5290584, 5731466, 5916352, 6370624, 6485232, 6511488, 7025668, 7054112, 7732392, 8376758, 8597199, 8646976, 8874528, 9555936, 10309856, 10538502, 10581168, 11462932, 11832704, 12565137, 12741248, 12970464, 14051336, 14108224, 15464784, 16753516, 17194398, 17293952, 17749056, 19111872, 20619712, 21077004, 21162336, 22925864, 25130274, 25940928, 28102672, 28216448, 30929568, 33507032, 34388796, 35498112, 38223744, 41239424, 42154008, 42324672, 45851728, 50260548, 51881856, 54448927, 56205344, 61859136, 67014064, 68777592, 84308016, 84649344, 91703456, 100521096, 108897854, 112410688, 123718272, 134028128, 137555184, 163346781, 168616032, 183406912, 201042192, 217795708, 224821376, 268056256, 275110368, 326693562, 337232064, 366813824, 402084384, 435591416, 536112512, 550220736, 653387124, 674464128, 804168768, 871182832, 1100441472, 1306774248, 1608337536, 1742365664, 2613548496, 3484731328, 5227096992, 6969462656, 10454193984, 20908387968]

約数ペア:

[(1, 20908387968), (2, 10454193984), (3, 6969462656), (4, 5227096992), (6, 3484731328), (8, 2613548496), (12, 1742365664), (13, 1608337536), (16, 1306774248), (19, 1100441472), (24, 871182832), (26, 804168768), (31, 674464128), (32, 653387124), (38, 550220736), (39, 536112512), (48, 435591416), (52, 402084384), (57, 366813824), (62, 337232064), (64, 326693562), (76, 275110368), (78, 268056256), (93, 224821376), (96, 217795708), (104, 201042192), (114, 183406912), (124, 168616032), (128, 163346781), (152, 137555184), (156, 134028128), (169, 123718272), (186, 112410688), (192, 108897854), (208, 100521096), (228, 91703456), (247, 84649344), (248, 84308016), (304, 68777592), (312, 67014064), (338, 61859136), (372, 56205344), (384, 54448927), (403, 51881856), (416, 50260548), (456, 45851728), (494, 42324672), (496, 42154008), (507, 41239424), (547, 38223744), (589, 35498112), (608, 34388796), (624, 33507032), (676, 30929568), (741, 28216448), (744, 28102672), (806, 25940928), (832, 25130274), (912, 22925864), (988, 21162336), (992, 21077004), (1014, 20619712), (1094, 19111872), (1178, 17749056), (1209, 17293952), (1216, 17194398), (1248, 16753516), (1352, 15464784), (1482, 14108224), (1488, 14051336), (1612, 12970464), (1641, 12741248), (1664, 12565137), (1767, 11832704), (1824, 11462932), (1976, 10581168), (1984, 10538502), (2028, 10309856), (2188, 9555936), (2356, 8874528), (2418, 8646976), (2432, 8597199), (2496, 8376758), (2704, 7732392), (2964, 7054112), (2976, 7025668), (3211, 6511488), (3224, 6485232), (3282, 6370624), (3534, 5916352), (3648, 5731466), (3952, 5290584), (3968, 5269251), (4056, 5154928), (4376, 4777968), (4712, 4437264), (4836, 4323488), (4992, 4188379), (5239, 3990912), (5408, 3866196), (5928, 3527056), (5952, 3512834), (6422, 3255744), (6448, 3242616), (6564, 3185312), (7068, 2958176), (7111, 2940288), (7296, 2865733), (7657, 2730624), (7904, 2645292), (8112, 2577464), (8752, 2388984), (9424, 2218632), (9633, 2170496), (9672, 2161744), (10393, 2011776), (10478, 1995456), (10816, 1933098), (11856, 1763528), (11904, 1756417), (12844, 1627872), (12896, 1621308), (13128, 1592656), (14136, 1479088), (14222, 1470144), (15314, 1365312), (15717, 1330304), (15808, 1322646), (16224, 1288732), (16957, 1233024), (17504, 1194492), (18848, 1109316), (19266, 1085248), (19344, 1080872), (20786, 1005888), (20956, 997728), (21333, 980096), (21632, 966549), (22971, 910208), (23712, 881764), (25688, 813936), (25792, 810654), (26256, 796328), (28272, 739544), (28444, 735072), (30628, 682656), (31179, 670592), (31434, 665152), (31616, 661323), (32448, 644366), (33914, 616512), (35008, 597246), (37696, 554658), (38532, 542624), (38688, 540436), (41572, 502944), (41912, 498864), (42666, 490048), (45942, 455104), (47424, 440882), (50871, 411008), (51376, 406968), (51584, 405327), (52512, 398164), (56544, 369772), (56888, 367536), (61256, 341328), (62358, 335296), (62868, 332576), (64896, 322183), (67828, 308256), (70016, 298623), (75392, 277329), (77064, 271312), (77376, 270218), (83144, 251472), (83824, 249432), (85332, 245024), (91884, 227552), (92443, 226176), (94848, 220441), (99541, 210048), (101742, 205504), (102752, 203484), (105024, 199082), (113088, 184886), (113776, 183768), (122512, 170664), (124716, 167648), (125736, 166288), (135109, 154752), (135656, 154128)]