20946762

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 80

約数和(自身を含む): 50088192

約数和(自身を除く): 29141430

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 43, 54, 62, 81, 86, 93, 97, 129, 162, 186, 194, 258, 279, 291, 387, 558, 582, 774, 837, 873, 1161, 1333, 1674, 1746, 2322, 2511, 2619, 2666, 3007, 3483, 3999, 4171, 5022, 5238, 6014, 6966, 7857, 7998, 8342, 9021, 11997, 12513, 15714, 18042, 23994, 25026, 27063, 35991, 37539, 54126, 71982, 75078, 81189, 107973, 112617, 129301, 162378, 215946, 225234, 243567, 258602, 337851, 387903, 487134, 675702, 775806, 1163709, 2327418, 3491127, 6982254, 10473381, 20946762]

約数ペア:

[(1, 20946762), (2, 10473381), (3, 6982254), (6, 3491127), (9, 2327418), (18, 1163709), (27, 775806), (31, 675702), (43, 487134), (54, 387903), (62, 337851), (81, 258602), (86, 243567), (93, 225234), (97, 215946), (129, 162378), (162, 129301), (186, 112617), (194, 107973), (258, 81189), (279, 75078), (291, 71982), (387, 54126), (558, 37539), (582, 35991), (774, 27063), (837, 25026), (873, 23994), (1161, 18042), (1333, 15714), (1674, 12513), (1746, 11997), (2322, 9021), (2511, 8342), (2619, 7998), (2666, 7857), (3007, 6966), (3483, 6014), (3999, 5238), (4171, 5022)]