20971778256

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:352

約数の個数: 640

約数和(自身を含む): 74875207680

約数和(自身を除く): 53903429424

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 27, 31, 33, 36, 39, 44, 47, 48, 52, 54, 62, 66, 72, 78, 88, 93, 94, 99, 104, 108, 117, 124, 132, 141, 143, 144, 156, 176, 186, 188, 198, 208, 216, 233, 234, 248, 264, 279, 282, 286, 297, 312, 341, 351, 372, 376, 396, 403, 423, 429, 432, 466, 468, 496, 517, 528, 558, 564, 572, 594, 611, 624, 682, 699, 702, 744, 752, 792, 806, 837, 846, 858, 932, 936, 1023, 1034, 1116, 1128, 1144, 1188, 1209, 1222, 1269, 1287, 1364, 1398, 1404, 1457, 1488, 1551, 1584, 1612, 1674, 1692, 1716, 1833, 1864, 1872, 2046, 2068, 2097, 2232, 2256, 2288, 2376, 2418, 2444, 2538, 2563, 2574, 2728, 2796, 2808, 2914, 3029, 3069, 3102, 3224, 3348, 3384, 3432, 3627, 3666, 3728, 3861, 4092, 4136, 4194, 4371, 4433, 4464, 4653, 4752, 4836, 4888, 5076, 5126, 5148, 5456, 5499, 5592, 5616, 5828, 6058, 6138, 6204, 6291, 6448, 6696, 6721, 6768, 6864, 7223, 7254, 7332, 7689, 7722, 8184, 8272, 8388, 8742, 8866, 9087, 9207, 9306, 9672, 9776, 10152, 10252, 10296, 10881, 10951, 10998, 11184, 11656, 12116, 12276, 12408, 12582, 13113, 13299, 13392, 13442, 13959, 14446, 14508, 14664, 15378, 15444, 16027, 16368, 16497, 16776, 17484, 17732, 18174, 18414, 18612, 18941, 19344, 20163, 20304, 20504, 20592, 21669, 21762, 21902, 21996, 23067, 23312, 24232, 24552, 24816, 25164, 26226, 26598, 26884, 27261, 27918, 28892, 29016, 29328, 30756, 30888, 32054, 32853, 32994, 33319, 33552, 34968, 35464, 36348, 36828, 37224, 37882, 39339, 39897, 40326, 41008, 43338, 43524, 43804, 43992, 46134, 48081, 48464, 49104, 50328, 52452, 53196, 53768, 54522, 55836, 56823, 57784, 58032, 60489, 61512, 61776, 64108, 65007, 65706, 65988, 66638, 69201, 69936, 70928, 72696, 73656, 74448, 75764, 78678, 79453, 79794, 80652, 81783, 86676, 87048, 87608, 87984, 92268, 93899, 96162, 98559, 99957, 100656, 104904, 106392, 107536, 109044, 111672, 113646, 115568, 119691, 120461, 120978, 123024, 128216, 130014, 131412, 131976, 133276, 138402, 142363, 144243, 145392, 147312, 151528, 157356, 158906, 159588, 161304, 163566, 170469, 173352, 174096, 175216, 181467, 184536, 187798, 192324, 195021, 197118, 199914, 208351, 209808, 212784, 218088, 223344, 227292, 238359, 239382, 240922, 241956, 256432, 260028, 262824, 263952, 266552, 276804, 281697, 284726, 288486, 295677, 299871, 303056, 314712, 317812, 319176, 322608, 327132, 339481, 340938, 346704, 361383, 362934, 369072, 375596, 384648, 390042, 394236, 399828, 416702, 427089, 432729, 436176, 454584, 476718, 478764, 481844, 483912, 511407, 520056, 525648, 533104, 553608, 563394, 569452, 576972, 591354, 599742, 625053, 629424, 635624, 638352, 654264, 678962, 681876, 715077, 722766, 725868, 751192, 769296, 780084, 788472, 799656, 833404, 845091, 854178, 865458, 899613, 909168, 953436, 957528, 963688, 967824, 1018443, 1022814, 1032889, 1040112, 1084149, 1107216, 1126788, 1138904, 1153944, 1182708, 1199484, 1250106, 1271248, 1281267, 1308528, 1357924, 1363752, 1430154, 1445532, 1451736, 1502384, 1560168, 1565993, 1576944, 1599312, 1666808, 1690182, 1708356, 1730916, 1799226, 1875159, 1906872, 1915056, 1927376, 2036886, 2045628, 2065778, 2145231, 2168298, 2253576, 2277808, 2307888, 2365416, 2398968, 2500212, 2535273, 2562534, 2715848, 2727504, 2860308, 2891064, 2903472, 3055329, 3098667, 3120336, 3131986, 3252447, 3333616, 3380364, 3416712, 3461832, 3598452, 3734291, 3750318, 3813744, 3843801, 4073772, 4091256, 4131556, 4290462, 4336596, 4413253, 4507152, 4697979, 4730832, 4797936, 5000424, 5070546, 5125068, 5431696, 5625477, 5720616, 5782128, 6110658, 6197334, 6263972, 6504894, 6760728, 6833424, 6923664, 7196904, 7468582, 7500636, 7687602, 8147544, 8182512, 8263112, 8580924, 8673192, 8826506, 9165987, 9296001, 9395958, 10000848, 10141092, 10250136, 11202873, 11250954, 11441232, 12221316, 12394668, 12527944, 13009788, 13239759, 13521456, 14093937, 14393808, 14937164, 15001272, 15375204, 16295088, 16526224, 17161848, 17346384, 17653012, 18331974, 18592002, 18791916, 20282184, 20500272, 22405746, 22501908, 24442632, 24789336, 25055888, 26019576, 26479518, 27888003, 28187874, 29874328, 30002544, 30750408, 33608619, 34323696, 35306024, 36663948, 37184004, 37583832, 39719277, 40564368, 42281811, 44811492, 45003816, 48545783, 48885264, 49578672, 52039152, 52959036, 55776006, 56375748, 59748656, 61500816, 67217238, 70612048, 73327896, 74368008, 75167664, 79438554, 84563622, 89622984, 90007632, 97091566, 100825857, 105918072, 111552012, 112751496, 119157831, 134434476, 145637349, 146655792, 148736016, 158877108, 169127244, 179245968, 194183132, 201651714, 211836144, 223104024, 225502992, 238315662, 268868952, 291274698, 317754216, 338254488, 388366264, 403303428, 436912047, 446208048, 476631324, 537737904, 582549396, 635508432, 676508976, 776732528, 806606856, 873824094, 953262648, 1165098792, 1310736141, 1613213712, 1747648188, 1906525296, 2330197584, 2621472282, 3495296376, 5242944564, 6990592752, 10485889128, 20971778256]

約数ペア:

[(1, 20971778256), (2, 10485889128), (3, 6990592752), (4, 5242944564), (6, 3495296376), (8, 2621472282), (9, 2330197584), (11, 1906525296), (12, 1747648188), (13, 1613213712), (16, 1310736141), (18, 1165098792), (22, 953262648), (24, 873824094), (26, 806606856), (27, 776732528), (31, 676508976), (33, 635508432), (36, 582549396), (39, 537737904), (44, 476631324), (47, 446208048), (48, 436912047), (52, 403303428), (54, 388366264), (62, 338254488), (66, 317754216), (72, 291274698), (78, 268868952), (88, 238315662), (93, 225502992), (94, 223104024), (99, 211836144), (104, 201651714), (108, 194183132), (117, 179245968), (124, 169127244), (132, 158877108), (141, 148736016), (143, 146655792), (144, 145637349), (156, 134434476), (176, 119157831), (186, 112751496), (188, 111552012), (198, 105918072), (208, 100825857), (216, 97091566), (233, 90007632), (234, 89622984), (248, 84563622), (264, 79438554), (279, 75167664), (282, 74368008), (286, 73327896), (297, 70612048), (312, 67217238), (341, 61500816), (351, 59748656), (372, 56375748), (376, 55776006), (396, 52959036), (403, 52039152), (423, 49578672), (429, 48885264), (432, 48545783), (466, 45003816), (468, 44811492), (496, 42281811), (517, 40564368), (528, 39719277), (558, 37583832), (564, 37184004), (572, 36663948), (594, 35306024), (611, 34323696), (624, 33608619), (682, 30750408), (699, 30002544), (702, 29874328), (744, 28187874), (752, 27888003), (792, 26479518), (806, 26019576), (837, 25055888), (846, 24789336), (858, 24442632), (932, 22501908), (936, 22405746), (1023, 20500272), (1034, 20282184), (1116, 18791916), (1128, 18592002), (1144, 18331974), (1188, 17653012), (1209, 17346384), (1222, 17161848), (1269, 16526224), (1287, 16295088), (1364, 15375204), (1398, 15001272), (1404, 14937164), (1457, 14393808), (1488, 14093937), (1551, 13521456), (1584, 13239759), (1612, 13009788), (1674, 12527944), (1692, 12394668), (1716, 12221316), (1833, 11441232), (1864, 11250954), (1872, 11202873), (2046, 10250136), (2068, 10141092), (2097, 10000848), (2232, 9395958), (2256, 9296001), (2288, 9165987), (2376, 8826506), (2418, 8673192), (2444, 8580924), (2538, 8263112), (2563, 8182512), (2574, 8147544), (2728, 7687602), (2796, 7500636), (2808, 7468582), (2914, 7196904), (3029, 6923664), (3069, 6833424), (3102, 6760728), (3224, 6504894), (3348, 6263972), (3384, 6197334), (3432, 6110658), (3627, 5782128), (3666, 5720616), (3728, 5625477), (3861, 5431696), (4092, 5125068), (4136, 5070546), (4194, 5000424), (4371, 4797936), (4433, 4730832), (4464, 4697979), (4653, 4507152), (4752, 4413253), (4836, 4336596), (4888, 4290462), (5076, 4131556), (5126, 4091256), (5148, 4073772), (5456, 3843801), (5499, 3813744), (5592, 3750318), (5616, 3734291), (5828, 3598452), (6058, 3461832), (6138, 3416712), (6204, 3380364), (6291, 3333616), (6448, 3252447), (6696, 3131986), (6721, 3120336), (6768, 3098667), (6864, 3055329), (7223, 2903472), (7254, 2891064), (7332, 2860308), (7689, 2727504), (7722, 2715848), (8184, 2562534), (8272, 2535273), (8388, 2500212), (8742, 2398968), (8866, 2365416), (9087, 2307888), (9207, 2277808), (9306, 2253576), (9672, 2168298), (9776, 2145231), (10152, 2065778), (10252, 2045628), (10296, 2036886), (10881, 1927376), (10951, 1915056), (10998, 1906872), (11184, 1875159), (11656, 1799226), (12116, 1730916), (12276, 1708356), (12408, 1690182), (12582, 1666808), (13113, 1599312), (13299, 1576944), (13392, 1565993), (13442, 1560168), (13959, 1502384), (14446, 1451736), (14508, 1445532), (14664, 1430154), (15378, 1363752), (15444, 1357924), (16027, 1308528), (16368, 1281267), (16497, 1271248), (16776, 1250106), (17484, 1199484), (17732, 1182708), (18174, 1153944), (18414, 1138904), (18612, 1126788), (18941, 1107216), (19344, 1084149), (20163, 1040112), (20304, 1032889), (20504, 1022814), (20592, 1018443), (21669, 967824), (21762, 963688), (21902, 957528), (21996, 953436), (23067, 909168), (23312, 899613), (24232, 865458), (24552, 854178), (24816, 845091), (25164, 833404), (26226, 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(79794, 262824), (80652, 260028), (81783, 256432), (86676, 241956), (87048, 240922), (87608, 239382), (87984, 238359), (92268, 227292), (93899, 223344), (96162, 218088), (98559, 212784), (99957, 209808), (100656, 208351), (104904, 199914), (106392, 197118), (107536, 195021), (109044, 192324), (111672, 187798), (113646, 184536), (115568, 181467), (119691, 175216), (120461, 174096), (120978, 173352), (123024, 170469), (128216, 163566), (130014, 161304), (131412, 159588), (131976, 158906), (133276, 157356), (138402, 151528), (142363, 147312), (144243, 145392)]