20081991552

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{3877}}^1$

素因数の和:3989

約数の個数: 256

約数和(自身を含む): 63795271680

約数和(自身を除く): 43713280128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 41, 42, 47, 48, 56, 64, 82, 84, 94, 96, 112, 123, 128, 141, 164, 168, 188, 192, 224, 246, 282, 287, 328, 329, 336, 376, 384, 448, 492, 564, 574, 656, 658, 672, 752, 861, 896, 984, 987, 1128, 1148, 1312, 1316, 1344, 1504, 1722, 1927, 1968, 1974, 2256, 2296, 2624, 2632, 2688, 3008, 3444, 3854, 3877, 3936, 3948, 4512, 4592, 5248, 5264, 5781, 6016, 6888, 7708, 7754, 7872, 7896, 9024, 9184, 10528, 11562, 11631, 13489, 13776, 15416, 15508, 15744, 15792, 18048, 18368, 21056, 23124, 23262, 26978, 27139, 27552, 30832, 31016, 31584, 36736, 40467, 42112, 46248, 46524, 53956, 54278, 55104, 61664, 62032, 63168, 80934, 81417, 92496, 93048, 107912, 108556, 110208, 123328, 124064, 126336, 158957, 161868, 162834, 182219, 184992, 186096, 215824, 217112, 246656, 248128, 317914, 323736, 325668, 364438, 369984, 372192, 431648, 434224, 476871, 496256, 546657, 635828, 647472, 651336, 728876, 739968, 744384, 863296, 868448, 953742, 1093314, 1112699, 1271656, 1275533, 1294944, 1302672, 1457752, 1488768, 1726592, 1736896, 1907484, 2186628, 2225398, 2543312, 2551066, 2589888, 2605344, 2915504, 3338097, 3473792, 3814968, 3826599, 4373256, 4450796, 5086624, 5102132, 5179776, 5210688, 5831008, 6676194, 7470979, 7629936, 7653198, 8746512, 8901592, 10173248, 10204264, 10421376, 11662016, 13352388, 14941958, 15259872, 15306396, 17493024, 17803184, 20346496, 20408528, 22412937, 23324032, 26704776, 29883916, 30519744, 30612792, 34986048, 35606368, 40817056, 44825874, 52296853, 53409552, 59767832, 61039488, 61225584, 69972096, 71212736, 81634112, 89651748, 104593706, 106819104, 119535664, 122451168, 142425472, 156890559, 163268224, 179303496, 209187412, 213638208, 239071328, 244902336, 313781118, 358606992, 418374824, 427276416, 478142656, 489804672, 627562236, 717213984, 836749648, 956285312, 1255124472, 1434427968, 1673499296, 2510248944, 2868855936, 3346998592, 5020497888, 6693997184, 10040995776, 20081991552]

約数ペア:

[(1, 20081991552), (2, 10040995776), (3, 6693997184), (4, 5020497888), (6, 3346998592), (7, 2868855936), (8, 2510248944), (12, 1673499296), (14, 1434427968), (16, 1255124472), (21, 956285312), (24, 836749648), (28, 717213984), (32, 627562236), (41, 489804672), (42, 478142656), (47, 427276416), (48, 418374824), (56, 358606992), (64, 313781118), (82, 244902336), (84, 239071328), (94, 213638208), (96, 209187412), (112, 179303496), (123, 163268224), (128, 156890559), (141, 142425472), (164, 122451168), (168, 119535664), (188, 106819104), (192, 104593706), (224, 89651748), (246, 81634112), (282, 71212736), (287, 69972096), (328, 61225584), (329, 61039488), (336, 59767832), (376, 53409552), (384, 52296853), (448, 44825874), (492, 40817056), (564, 35606368), (574, 34986048), (656, 30612792), (658, 30519744), (672, 29883916), (752, 26704776), (861, 23324032), (896, 22412937), (984, 20408528), (987, 20346496), (1128, 17803184), (1148, 17493024), (1312, 15306396), (1316, 15259872), (1344, 14941958), (1504, 13352388), (1722, 11662016), (1927, 10421376), (1968, 10204264), (1974, 10173248), (2256, 8901592), (2296, 8746512), (2624, 7653198), (2632, 7629936), (2688, 7470979), (3008, 6676194), (3444, 5831008), (3854, 5210688), (3877, 5179776), (3936, 5102132), (3948, 5086624), (4512, 4450796), (4592, 4373256), (5248, 3826599), (5264, 3814968), (5781, 3473792), (6016, 3338097), (6888, 2915504), (7708, 2605344), (7754, 2589888), (7872, 2551066), (7896, 2543312), (9024, 2225398), (9184, 2186628), (10528, 1907484), (11562, 1736896), (11631, 1726592), (13489, 1488768), (13776, 1457752), (15416, 1302672), (15508, 1294944), (15744, 1275533), (15792, 1271656), (18048, 1112699), (18368, 1093314), (21056, 953742), (23124, 868448), (23262, 863296), (26978, 744384), (27139, 739968), (27552, 728876), (30832, 651336), (31016, 647472), (31584, 635828), (36736, 546657), (40467, 496256), (42112, 476871), (46248, 434224), (46524, 431648), (53956, 372192), (54278, 369984), (55104, 364438), (61664, 325668), (62032, 323736), (63168, 317914), (80934, 248128), (81417, 246656), (92496, 217112), (93048, 215824), (107912, 186096), (108556, 184992), (110208, 182219), (123328, 162834), (124064, 161868), (126336, 158957)]