20412756

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:131

約数の個数: 192

約数和(自身を含む): 68239360

約数和(自身を除く): 47826604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 31, 36, 39, 42, 52, 54, 62, 63, 67, 78, 84, 91, 93, 108, 117, 124, 126, 134, 156, 182, 186, 189, 201, 217, 234, 252, 268, 273, 279, 351, 364, 372, 378, 402, 403, 434, 468, 469, 546, 558, 603, 651, 702, 756, 804, 806, 819, 837, 868, 871, 938, 1092, 1116, 1206, 1209, 1302, 1404, 1407, 1612, 1638, 1674, 1742, 1809, 1876, 1953, 2077, 2412, 2418, 2457, 2604, 2613, 2814, 2821, 3276, 3348, 3484, 3618, 3627, 3906, 4154, 4221, 4836, 4914, 5226, 5628, 5642, 5859, 6097, 6231, 7236, 7254, 7812, 7839, 8308, 8442, 8463, 9828, 10452, 10881, 11284, 11718, 12194, 12462, 12663, 14508, 14539, 15678, 16884, 16926, 18291, 18693, 21762, 23436, 23517, 24388, 24924, 25326, 25389, 27001, 29078, 31356, 33852, 36582, 37386, 43524, 43617, 47034, 50652, 50778, 54002, 54873, 56079, 58156, 73164, 74772, 76167, 81003, 87234, 94068, 101556, 108004, 109746, 112158, 130851, 152334, 162006, 164619, 174468, 189007, 219492, 224316, 243009, 261702, 304668, 324012, 329238, 378014, 392553, 486018, 523404, 567021, 658476, 729027, 756028, 785106, 972036, 1134042, 1458054, 1570212, 1701063, 2268084, 2916108, 3402126, 5103189, 6804252, 10206378, 20412756]

約数ペア:

[(1, 20412756), (2, 10206378), (3, 6804252), (4, 5103189), (6, 3402126), (7, 2916108), (9, 2268084), (12, 1701063), (13, 1570212), (14, 1458054), (18, 1134042), (21, 972036), (26, 785106), (27, 756028), (28, 729027), (31, 658476), (36, 567021), (39, 523404), (42, 486018), (52, 392553), (54, 378014), (62, 329238), (63, 324012), (67, 304668), (78, 261702), (84, 243009), (91, 224316), (93, 219492), (108, 189007), (117, 174468), (124, 164619), (126, 162006), (134, 152334), (156, 130851), (182, 112158), (186, 109746), (189, 108004), (201, 101556), (217, 94068), (234, 87234), (252, 81003), (268, 76167), (273, 74772), (279, 73164), (351, 58156), (364, 56079), (372, 54873), (378, 54002), (402, 50778), (403, 50652), (434, 47034), (468, 43617), (469, 43524), (546, 37386), (558, 36582), (603, 33852), (651, 31356), (702, 29078), (756, 27001), (804, 25389), (806, 25326), (819, 24924), (837, 24388), (868, 23517), (871, 23436), (938, 21762), (1092, 18693), (1116, 18291), (1206, 16926), (1209, 16884), (1302, 15678), (1404, 14539), (1407, 14508), (1612, 12663), (1638, 12462), (1674, 12194), (1742, 11718), (1809, 11284), (1876, 10881), (1953, 10452), (2077, 9828), (2412, 8463), (2418, 8442), (2457, 8308), (2604, 7839), (2613, 7812), (2814, 7254), (2821, 7236), (3276, 6231), (3348, 6097), (3484, 5859), (3618, 5642), (3627, 5628), (3906, 5226), (4154, 4914), (4221, 4836)]