20288268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1$

素因数の和:604

約数の個数: 144

約数和(自身を含む): 68979456

約数和(自身を除く): 48691188

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 28, 33, 36, 39, 42, 44, 52, 63, 66, 77, 78, 84, 91, 99, 117, 126, 132, 143, 154, 156, 182, 198, 231, 234, 252, 273, 286, 308, 364, 396, 429, 462, 468, 546, 563, 572, 693, 819, 858, 924, 1001, 1092, 1126, 1287, 1386, 1638, 1689, 1716, 2002, 2252, 2574, 2772, 3003, 3276, 3378, 3941, 4004, 5067, 5148, 6006, 6193, 6756, 7319, 7882, 9009, 10134, 11823, 12012, 12386, 14638, 15764, 18018, 18579, 20268, 21957, 23646, 24772, 29276, 35469, 36036, 37158, 43351, 43914, 47292, 51233, 55737, 65871, 70938, 74316, 80509, 86702, 87828, 102466, 111474, 130053, 131742, 141876, 153699, 161018, 173404, 204932, 222948, 241527, 260106, 263484, 307398, 322036, 390159, 461097, 483054, 520212, 563563, 614796, 724581, 780318, 922194, 966108, 1127126, 1449162, 1560636, 1690689, 1844388, 2254252, 2898324, 3381378, 5072067, 6762756, 10144134, 20288268]

約数ペア:

[(1, 20288268), (2, 10144134), (3, 6762756), (4, 5072067), (6, 3381378), (7, 2898324), (9, 2254252), (11, 1844388), (12, 1690689), (13, 1560636), (14, 1449162), (18, 1127126), (21, 966108), (22, 922194), (26, 780318), (28, 724581), (33, 614796), (36, 563563), (39, 520212), (42, 483054), (44, 461097), (52, 390159), (63, 322036), (66, 307398), (77, 263484), (78, 260106), (84, 241527), (91, 222948), (99, 204932), (117, 173404), (126, 161018), (132, 153699), (143, 141876), (154, 131742), (156, 130053), (182, 111474), (198, 102466), (231, 87828), (234, 86702), (252, 80509), (273, 74316), (286, 70938), (308, 65871), (364, 55737), (396, 51233), (429, 47292), (462, 43914), (468, 43351), (546, 37158), (563, 36036), (572, 35469), (693, 29276), (819, 24772), (858, 23646), (924, 21957), (1001, 20268), (1092, 18579), (1126, 18018), (1287, 15764), (1386, 14638), (1638, 12386), (1689, 12012), (1716, 11823), (2002, 10134), (2252, 9009), (2574, 7882), (2772, 7319), (3003, 6756), (3276, 6193), (3378, 6006), (3941, 5148), (4004, 5067)]