20120221170

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{701}}^1\times {\mathrm{1571}}^1$

素因数の和:2321

約数の個数: 192

約数和(自身を含む): 61975031040

約数和(自身を除く): 41854809870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 42, 45, 58, 63, 70, 87, 90, 105, 126, 145, 174, 203, 210, 261, 290, 315, 406, 435, 522, 609, 630, 701, 870, 1015, 1218, 1305, 1402, 1571, 1827, 2030, 2103, 2610, 3045, 3142, 3505, 3654, 4206, 4713, 4907, 6090, 6309, 7010, 7855, 9135, 9426, 9814, 10515, 10997, 12618, 14139, 14721, 15710, 18270, 20329, 21030, 21994, 23565, 24535, 28278, 29442, 31545, 32991, 40658, 44163, 45559, 47130, 49070, 54985, 60987, 63090, 65982, 70695, 73605, 88326, 91118, 98973, 101645, 109970, 121974, 136677, 141390, 142303, 147210, 164955, 182961, 197946, 203290, 220815, 227795, 273354, 284606, 304935, 318913, 329910, 365922, 410031, 426909, 441630, 455590, 494865, 609870, 637826, 683385, 711515, 820062, 853818, 914805, 956739, 989730, 1101271, 1280727, 1366770, 1423030, 1594565, 1829610, 1913478, 2050155, 2134545, 2202542, 2561454, 2870217, 3189130, 3303813, 4100310, 4269090, 4783695, 5506355, 5740434, 6403635, 6607626, 7708897, 9567390, 9911439, 11012710, 12807270, 14351085, 15417794, 16519065, 19822878, 23126691, 28702170, 31936859, 33038130, 38544485, 46253382, 49557195, 63873718, 69380073, 77088970, 95810577, 99114390, 115633455, 138760146, 159684295, 191621154, 223558013, 231266910, 287431731, 319368590, 346900365, 447116026, 479052885, 574863462, 670674039, 693800730, 958105770, 1117790065, 1341348078, 1437158655, 2012022117, 2235580130, 2874317310, 3353370195, 4024044234, 6706740390, 10060110585, 20120221170]

約数ペア:

[(1, 20120221170), (2, 10060110585), (3, 6706740390), (5, 4024044234), (6, 3353370195), (7, 2874317310), (9, 2235580130), (10, 2012022117), (14, 1437158655), (15, 1341348078), (18, 1117790065), (21, 958105770), (29, 693800730), (30, 670674039), (35, 574863462), (42, 479052885), (45, 447116026), (58, 346900365), (63, 319368590), (70, 287431731), (87, 231266910), (90, 223558013), (105, 191621154), (126, 159684295), (145, 138760146), (174, 115633455), (203, 99114390), (210, 95810577), (261, 77088970), (290, 69380073), (315, 63873718), (406, 49557195), (435, 46253382), (522, 38544485), (609, 33038130), (630, 31936859), (701, 28702170), (870, 23126691), (1015, 19822878), (1218, 16519065), (1305, 15417794), (1402, 14351085), (1571, 12807270), (1827, 11012710), (2030, 9911439), (2103, 9567390), (2610, 7708897), (3045, 6607626), (3142, 6403635), (3505, 5740434), (3654, 5506355), (4206, 4783695), (4713, 4269090), (4907, 4100310), (6090, 3303813), (6309, 3189130), (7010, 2870217), (7855, 2561454), (9135, 2202542), (9426, 2134545), (9814, 2050155), (10515, 1913478), (10997, 1829610), (12618, 1594565), (14139, 1423030), (14721, 1366770), (15710, 1280727), (18270, 1101271), (20329, 989730), (21030, 956739), (21994, 914805), (23565, 853818), (24535, 820062), (28278, 711515), (29442, 683385), (31545, 637826), (32991, 609870), (40658, 494865), (44163, 455590), (45559, 441630), (47130, 426909), (49070, 410031), (54985, 365922), (60987, 329910), (63090, 318913), (65982, 304935), (70695, 284606), (73605, 273354), (88326, 227795), (91118, 220815), (98973, 203290), (101645, 197946), (109970, 182961), (121974, 164955), (136677, 147210), (141390, 142303)]