20641104

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 120

約数和(自身を含む): 64183392

約数和(自身を除く): 43542288

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 83, 88, 99, 132, 144, 157, 166, 176, 198, 249, 264, 314, 332, 396, 471, 498, 528, 628, 664, 747, 792, 913, 942, 996, 1256, 1328, 1413, 1494, 1584, 1727, 1826, 1884, 1992, 2512, 2739, 2826, 2988, 3454, 3652, 3768, 3984, 5181, 5478, 5652, 5976, 6908, 7304, 7536, 8217, 10362, 10956, 11304, 11952, 13031, 13816, 14608, 15543, 16434, 20724, 21912, 22608, 26062, 27632, 31086, 32868, 39093, 41448, 43824, 52124, 62172, 65736, 78186, 82896, 104248, 117279, 124344, 131472, 143341, 156372, 208496, 234558, 248688, 286682, 312744, 430023, 469116, 573364, 625488, 860046, 938232, 1146728, 1290069, 1720092, 1876464, 2293456, 2580138, 3440184, 5160276, 6880368, 10320552, 20641104]

約数ペア:

[(1, 20641104), (2, 10320552), (3, 6880368), (4, 5160276), (6, 3440184), (8, 2580138), (9, 2293456), (11, 1876464), (12, 1720092), (16, 1290069), (18, 1146728), (22, 938232), (24, 860046), (33, 625488), (36, 573364), (44, 469116), (48, 430023), (66, 312744), (72, 286682), (83, 248688), (88, 234558), (99, 208496), (132, 156372), (144, 143341), (157, 131472), (166, 124344), (176, 117279), (198, 104248), (249, 82896), (264, 78186), (314, 65736), (332, 62172), (396, 52124), (471, 43824), (498, 41448), (528, 39093), (628, 32868), (664, 31086), (747, 27632), (792, 26062), (913, 22608), (942, 21912), (996, 20724), (1256, 16434), (1328, 15543), (1413, 14608), (1494, 13816), (1584, 13031), (1727, 11952), (1826, 11304), (1884, 10956), (1992, 10362), (2512, 8217), (2739, 7536), (2826, 7304), (2988, 6908), (3454, 5976), (3652, 5652), (3768, 5478), (3984, 5181)]