20921146848

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{11621}}^1$

素因数の和:11710

約数の個数: 288

約数和(自身を含む): 73101450240

約数和(自身を除く): 52180303392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 47, 48, 56, 57, 63, 72, 76, 84, 94, 96, 112, 114, 126, 133, 141, 144, 152, 168, 171, 188, 224, 228, 252, 266, 282, 288, 304, 329, 336, 342, 376, 399, 423, 456, 504, 532, 564, 608, 658, 672, 684, 752, 798, 846, 893, 912, 987, 1008, 1064, 1128, 1197, 1316, 1368, 1504, 1596, 1692, 1786, 1824, 1974, 2016, 2128, 2256, 2394, 2632, 2679, 2736, 2961, 3192, 3384, 3572, 3948, 4256, 4512, 4788, 5264, 5358, 5472, 5922, 6251, 6384, 6768, 7144, 7896, 8037, 9576, 10528, 10716, 11621, 11844, 12502, 12768, 13536, 14288, 15792, 16074, 18753, 19152, 21432, 23242, 23688, 25004, 28576, 31584, 32148, 34863, 37506, 38304, 42864, 46484, 47376, 50008, 56259, 64296, 69726, 75012, 81347, 85728, 92968, 94752, 100016, 104589, 112518, 128592, 139452, 150024, 162694, 185936, 200032, 209178, 220799, 225036, 244041, 257184, 278904, 300048, 325388, 371872, 418356, 441598, 450072, 488082, 546187, 557808, 600096, 650776, 662397, 732123, 836712, 883196, 900144, 976164, 1092374, 1115616, 1301552, 1324794, 1464246, 1545593, 1638561, 1673424, 1766392, 1800288, 1952328, 1987191, 2184748, 2603104, 2649588, 2928492, 3091186, 3277122, 3346848, 3532784, 3823309, 3904656, 3974382, 4369496, 4636779, 4915683, 5299176, 5856984, 6182372, 6554244, 7065568, 7646618, 7809312, 7948764, 8738992, 9273558, 9831366, 10377553, 10598352, 11469927, 11713968, 12364744, 13108488, 13910337, 15293236, 15897528, 17477984, 18547116, 19662732, 20755106, 21196704, 22939854, 23427936, 24729488, 26216976, 27820674, 30586472, 31132659, 31795056, 34409781, 37094232, 39325464, 41510212, 45879708, 49458976, 52433952, 55641348, 61172944, 62265318, 63590112, 68819562, 72642871, 74188464, 78650928, 83020424, 91759416, 93397977, 111282696, 122345888, 124530636, 137639124, 145285742, 148376928, 157301856, 166040848, 183518832, 186795954, 217928613, 222565392, 249061272, 275278248, 290571484, 332081696, 367037664, 373591908, 435857226, 445130784, 498122544, 550556496, 581142968, 653785839, 747183816, 871714452, 996245088, 1101112992, 1162285936, 1307571678, 1494367632, 1743428904, 2324571872, 2615143356, 2988735264, 3486857808, 5230286712, 6973715616, 10460573424, 20921146848]

約数ペア:

[(1, 20921146848), (2, 10460573424), (3, 6973715616), (4, 5230286712), (6, 3486857808), (7, 2988735264), (8, 2615143356), (9, 2324571872), (12, 1743428904), (14, 1494367632), (16, 1307571678), (18, 1162285936), (19, 1101112992), (21, 996245088), (24, 871714452), (28, 747183816), (32, 653785839), (36, 581142968), (38, 550556496), (42, 498122544), (47, 445130784), (48, 435857226), (56, 373591908), (57, 367037664), (63, 332081696), (72, 290571484), (76, 275278248), (84, 249061272), (94, 222565392), (96, 217928613), (112, 186795954), (114, 183518832), (126, 166040848), (133, 157301856), (141, 148376928), (144, 145285742), (152, 137639124), (168, 124530636), (171, 122345888), (188, 111282696), (224, 93397977), (228, 91759416), (252, 83020424), (266, 78650928), (282, 74188464), (288, 72642871), (304, 68819562), (329, 63590112), (336, 62265318), (342, 61172944), (376, 55641348), (399, 52433952), (423, 49458976), (456, 45879708), (504, 41510212), (532, 39325464), (564, 37094232), (608, 34409781), (658, 31795056), (672, 31132659), (684, 30586472), (752, 27820674), (798, 26216976), (846, 24729488), (893, 23427936), (912, 22939854), (987, 21196704), (1008, 20755106), (1064, 19662732), (1128, 18547116), (1197, 17477984), (1316, 15897528), (1368, 15293236), (1504, 13910337), (1596, 13108488), (1692, 12364744), (1786, 11713968), (1824, 11469927), (1974, 10598352), (2016, 10377553), (2128, 9831366), (2256, 9273558), (2394, 8738992), (2632, 7948764), (2679, 7809312), (2736, 7646618), (2961, 7065568), (3192, 6554244), (3384, 6182372), (3572, 5856984), (3948, 5299176), (4256, 4915683), (4512, 4636779), (4788, 4369496), (5264, 3974382), (5358, 3904656), (5472, 3823309), (5922, 3532784), (6251, 3346848), (6384, 3277122), (6768, 3091186), (7144, 2928492), (7896, 2649588), (8037, 2603104), (9576, 2184748), (10528, 1987191), (10716, 1952328), (11621, 1800288), (11844, 1766392), (12502, 1673424), (12768, 1638561), (13536, 1545593), (14288, 1464246), (15792, 1324794), (16074, 1301552), (18753, 1115616), (19152, 1092374), (21432, 976164), (23242, 900144), (23688, 883196), (25004, 836712), (28576, 732123), (31584, 662397), (32148, 650776), (34863, 600096), (37506, 557808), (38304, 546187), (42864, 488082), (46484, 450072), (47376, 441598), (50008, 418356), (56259, 371872), (64296, 325388), (69726, 300048), (75012, 278904), (81347, 257184), (85728, 244041), (92968, 225036), (94752, 220799), (100016, 209178), (104589, 200032), (112518, 185936), (128592, 162694), (139452, 150024)]