20728752

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 60954432

約数和(自身を除く): 40225680

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 43, 44, 48, 66, 83, 86, 88, 121, 129, 132, 166, 172, 176, 242, 249, 258, 264, 332, 344, 363, 473, 484, 498, 516, 528, 664, 688, 726, 913, 946, 968, 996, 1032, 1328, 1419, 1452, 1826, 1892, 1936, 1992, 2064, 2739, 2838, 2904, 3569, 3652, 3784, 3984, 5203, 5478, 5676, 5808, 7138, 7304, 7568, 10043, 10406, 10707, 10956, 11352, 14276, 14608, 15609, 20086, 20812, 21414, 21912, 22704, 28552, 30129, 31218, 39259, 40172, 41624, 42828, 43824, 57104, 60258, 62436, 78518, 80344, 83248, 85656, 117777, 120516, 124872, 157036, 160688, 171312, 235554, 241032, 249744, 314072, 431849, 471108, 482064, 628144, 863698, 942216, 1295547, 1727396, 1884432, 2591094, 3454792, 5182188, 6909584, 10364376, 20728752]

約数ペア:

[(1, 20728752), (2, 10364376), (3, 6909584), (4, 5182188), (6, 3454792), (8, 2591094), (11, 1884432), (12, 1727396), (16, 1295547), (22, 942216), (24, 863698), (33, 628144), (43, 482064), (44, 471108), (48, 431849), (66, 314072), (83, 249744), (86, 241032), (88, 235554), (121, 171312), (129, 160688), (132, 157036), (166, 124872), (172, 120516), (176, 117777), (242, 85656), (249, 83248), (258, 80344), (264, 78518), (332, 62436), (344, 60258), (363, 57104), (473, 43824), (484, 42828), (498, 41624), (516, 40172), (528, 39259), (664, 31218), (688, 30129), (726, 28552), (913, 22704), (946, 21912), (968, 21414), (996, 20812), (1032, 20086), (1328, 15609), (1419, 14608), (1452, 14276), (1826, 11352), (1892, 10956), (1936, 10707), (1992, 10406), (2064, 10043), (2739, 7568), (2838, 7304), (2904, 7138), (3569, 5808), (3652, 5676), (3784, 5478), (3984, 5203)]