20213824176

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31481}}^1$

素因数の和:31529

約数の個数: 240

約数和(自身を含む): 71048577600

約数和(自身を除く): 50834753424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 49, 52, 56, 63, 72, 78, 84, 91, 98, 104, 112, 117, 126, 144, 147, 156, 168, 182, 196, 208, 234, 252, 273, 294, 312, 336, 343, 364, 392, 441, 468, 504, 546, 588, 624, 637, 686, 728, 784, 819, 882, 936, 1008, 1029, 1092, 1176, 1274, 1372, 1456, 1638, 1764, 1872, 1911, 2058, 2184, 2352, 2548, 2744, 3087, 3276, 3528, 3822, 4116, 4368, 4459, 5096, 5488, 5733, 6174, 6552, 7056, 7644, 8232, 8918, 10192, 11466, 12348, 13104, 13377, 15288, 16464, 17836, 22932, 24696, 26754, 30576, 31481, 35672, 40131, 45864, 49392, 53508, 62962, 71344, 80262, 91728, 94443, 107016, 125924, 160524, 188886, 214032, 220367, 251848, 283329, 321048, 377772, 409253, 440734, 503696, 566658, 642096, 661101, 755544, 818506, 881468, 1133316, 1227759, 1322202, 1511088, 1542569, 1637012, 1762936, 1983303, 2266632, 2455518, 2644404, 2864771, 3085138, 3274024, 3525872, 3683277, 3966606, 4533264, 4627707, 4911036, 5288808, 5729542, 6170276, 6548048, 7366554, 7933212, 8594313, 9255414, 9822072, 10577616, 10797983, 11459084, 12340552, 13883121, 14733108, 15866424, 17188626, 18510828, 19644144, 20053397, 21595966, 22918168, 24681104, 25782939, 27766242, 29466216, 31732848, 32393949, 34377252, 37021656, 40106794, 43191932, 45836336, 51565878, 55532484, 58932432, 60160191, 64787898, 68754504, 74043312, 80213588, 86383864, 97181847, 103131756, 111064968, 120320382, 129575796, 137509008, 140373779, 160427176, 172767728, 180480573, 194363694, 206263512, 222129936, 240640764, 259151592, 280747558, 320854352, 360961146, 388727388, 412527024, 421121337, 481281528, 518303184, 561495116, 721922292, 777454776, 842242674, 962563056, 1122990232, 1263364011, 1443844584, 1554909552, 1684485348, 2245980464, 2526728022, 2887689168, 3368970696, 5053456044, 6737941392, 10106912088, 20213824176]

約数ペア:

[(1, 20213824176), (2, 10106912088), (3, 6737941392), (4, 5053456044), (6, 3368970696), (7, 2887689168), (8, 2526728022), (9, 2245980464), (12, 1684485348), (13, 1554909552), (14, 1443844584), (16, 1263364011), (18, 1122990232), (21, 962563056), (24, 842242674), (26, 777454776), (28, 721922292), (36, 561495116), (39, 518303184), (42, 481281528), (48, 421121337), (49, 412527024), (52, 388727388), (56, 360961146), (63, 320854352), (72, 280747558), (78, 259151592), (84, 240640764), (91, 222129936), (98, 206263512), (104, 194363694), (112, 180480573), (117, 172767728), (126, 160427176), (144, 140373779), (147, 137509008), (156, 129575796), (168, 120320382), (182, 111064968), (196, 103131756), (208, 97181847), (234, 86383864), (252, 80213588), (273, 74043312), (294, 68754504), (312, 64787898), (336, 60160191), (343, 58932432), (364, 55532484), (392, 51565878), (441, 45836336), (468, 43191932), (504, 40106794), (546, 37021656), (588, 34377252), (624, 32393949), (637, 31732848), (686, 29466216), (728, 27766242), (784, 25782939), (819, 24681104), (882, 22918168), (936, 21595966), (1008, 20053397), (1029, 19644144), (1092, 18510828), (1176, 17188626), (1274, 15866424), (1372, 14733108), (1456, 13883121), (1638, 12340552), (1764, 11459084), (1872, 10797983), (1911, 10577616), (2058, 9822072), (2184, 9255414), (2352, 8594313), (2548, 7933212), (2744, 7366554), (3087, 6548048), (3276, 6170276), (3528, 5729542), (3822, 5288808), (4116, 4911036), (4368, 4627707), (4459, 4533264), (5096, 3966606), (5488, 3683277), (5733, 3525872), (6174, 3274024), (6552, 3085138), (7056, 2864771), (7644, 2644404), (8232, 2455518), (8918, 2266632), (10192, 1983303), (11466, 1762936), (12348, 1637012), (13104, 1542569), (13377, 1511088), (15288, 1322202), (16464, 1227759), (17836, 1133316), (22932, 881468), (24696, 818506), (26754, 755544), (30576, 661101), (31481, 642096), (35672, 566658), (40131, 503696), (45864, 440734), (49392, 409253), (53508, 377772), (62962, 321048), (71344, 283329), (80262, 251848), (91728, 220367), (94443, 214032), (107016, 188886), (125924, 160524)]