20306538

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 53673984

約数和(自身を除く): 33367446

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 54, 63, 81, 94, 126, 127, 141, 162, 189, 243, 254, 282, 329, 378, 381, 423, 486, 567, 658, 762, 846, 889, 987, 1134, 1143, 1269, 1701, 1778, 1974, 2286, 2538, 2667, 2961, 3402, 3429, 3807, 5334, 5922, 5969, 6858, 7614, 8001, 8883, 10287, 11421, 11938, 16002, 17766, 17907, 20574, 22842, 24003, 26649, 30861, 35814, 41783, 48006, 53298, 53721, 61722, 72009, 79947, 83566, 107442, 125349, 144018, 159894, 161163, 216027, 250698, 322326, 376047, 432054, 483489, 752094, 966978, 1128141, 1450467, 2256282, 2900934, 3384423, 6768846, 10153269, 20306538]

約数ペア:

[(1, 20306538), (2, 10153269), (3, 6768846), (6, 3384423), (7, 2900934), (9, 2256282), (14, 1450467), (18, 1128141), (21, 966978), (27, 752094), (42, 483489), (47, 432054), (54, 376047), (63, 322326), (81, 250698), (94, 216027), (126, 161163), (127, 159894), (141, 144018), (162, 125349), (189, 107442), (243, 83566), (254, 79947), (282, 72009), (329, 61722), (378, 53721), (381, 53298), (423, 48006), (486, 41783), (567, 35814), (658, 30861), (762, 26649), (846, 24003), (889, 22842), (987, 20574), (1134, 17907), (1143, 17766), (1269, 16002), (1701, 11938), (1778, 11421), (1974, 10287), (2286, 8883), (2538, 8001), (2667, 7614), (2961, 6858), (3402, 5969), (3429, 5922), (3807, 5334)]