20808914672

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{983}}^1$

素因数の和:1116

約数の個数: 240

約数和(自身を含む): 52968609792

約数和(自身を除く): 32159695120

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 49, 52, 56, 62, 67, 91, 98, 104, 112, 124, 134, 182, 196, 208, 217, 248, 268, 364, 392, 403, 434, 469, 496, 536, 637, 728, 784, 806, 868, 871, 938, 983, 1072, 1274, 1456, 1519, 1612, 1736, 1742, 1876, 1966, 2077, 2548, 2821, 3038, 3224, 3283, 3472, 3484, 3752, 3932, 4154, 5096, 5642, 6076, 6097, 6448, 6566, 6881, 6968, 7504, 7864, 8308, 10192, 11284, 12152, 12194, 12779, 13132, 13762, 13936, 14539, 15728, 16616, 19747, 22568, 24304, 24388, 25558, 26264, 27001, 27524, 29078, 30473, 33232, 39494, 42679, 45136, 48167, 48776, 51116, 52528, 54002, 55048, 58156, 60946, 65861, 78988, 85358, 89453, 96334, 97552, 101773, 102232, 108004, 110096, 116312, 121892, 131722, 157976, 170716, 178906, 189007, 192668, 203546, 204464, 213311, 216008, 232624, 243784, 263444, 315952, 341432, 357812, 378014, 385336, 396149, 407092, 426622, 432016, 461027, 487568, 526888, 626171, 682864, 715624, 756028, 770672, 792298, 814184, 853244, 856193, 922054, 1053776, 1252342, 1323049, 1431248, 1493177, 1512056, 1584596, 1628368, 1706488, 1712386, 1844108, 2041691, 2504684, 2646098, 2773043, 2986354, 3024112, 3169192, 3227189, 3412976, 3424772, 3688216, 4083382, 5009368, 5292196, 5546086, 5972708, 5993351, 6338384, 6454378, 6849544, 7376432, 8166764, 10018736, 10584392, 11092172, 11945416, 11986702, 12908756, 13699088, 14291837, 16333528, 19411301, 21168784, 22184344, 23890832, 23973404, 25817512, 26541983, 28583674, 32667056, 38822602, 41953457, 44368688, 47946808, 51635024, 53083966, 57167348, 77645204, 83906914, 95893616, 100042859, 106167932, 114334696, 155290408, 167813828, 185793881, 200085718, 212335864, 228669392, 310580816, 335627656, 371587762, 400171436, 424671728, 671255312, 743175524, 800342872, 1300557167, 1486351048, 1600685744, 2601114334, 2972702096, 5202228668, 10404457336, 20808914672]

約数ペア:

[(1, 20808914672), (2, 10404457336), (4, 5202228668), (7, 2972702096), (8, 2601114334), (13, 1600685744), (14, 1486351048), (16, 1300557167), (26, 800342872), (28, 743175524), (31, 671255312), (49, 424671728), (52, 400171436), (56, 371587762), (62, 335627656), (67, 310580816), (91, 228669392), (98, 212335864), (104, 200085718), (112, 185793881), (124, 167813828), (134, 155290408), (182, 114334696), (196, 106167932), (208, 100042859), (217, 95893616), (248, 83906914), (268, 77645204), (364, 57167348), (392, 53083966), (403, 51635024), (434, 47946808), (469, 44368688), (496, 41953457), (536, 38822602), (637, 32667056), (728, 28583674), (784, 26541983), (806, 25817512), (868, 23973404), (871, 23890832), (938, 22184344), (983, 21168784), (1072, 19411301), (1274, 16333528), (1456, 14291837), (1519, 13699088), (1612, 12908756), (1736, 11986702), (1742, 11945416), (1876, 11092172), (1966, 10584392), (2077, 10018736), (2548, 8166764), (2821, 7376432), (3038, 6849544), (3224, 6454378), (3283, 6338384), (3472, 5993351), (3484, 5972708), (3752, 5546086), (3932, 5292196), (4154, 5009368), (5096, 4083382), (5642, 3688216), (6076, 3424772), (6097, 3412976), (6448, 3227189), (6566, 3169192), (6881, 3024112), (6968, 2986354), (7504, 2773043), (7864, 2646098), (8308, 2504684), (10192, 2041691), (11284, 1844108), (12152, 1712386), (12194, 1706488), (12779, 1628368), (13132, 1584596), (13762, 1512056), (13936, 1493177), (14539, 1431248), (15728, 1323049), (16616, 1252342), (19747, 1053776), (22568, 922054), (24304, 856193), (24388, 853244), (25558, 814184), (26264, 792298), (27001, 770672), (27524, 756028), (29078, 715624), (30473, 682864), (33232, 626171), (39494, 526888), (42679, 487568), (45136, 461027), (48167, 432016), (48776, 426622), (51116, 407092), (52528, 396149), (54002, 385336), (55048, 378014), (58156, 357812), (60946, 341432), (65861, 315952), (78988, 263444), (85358, 243784), (89453, 232624), (96334, 216008), (97552, 213311), (101773, 204464), (102232, 203546), (108004, 192668), (110096, 189007), (116312, 178906), (121892, 170716), (131722, 157976)]