20553456

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:179

約数の個数: 160

約数和(自身を含む): 67995648

約数和(自身を除く): 47442192

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 67, 77, 83, 84, 88, 112, 132, 134, 154, 166, 168, 176, 201, 231, 249, 264, 268, 308, 332, 336, 402, 462, 469, 498, 528, 536, 581, 616, 664, 737, 804, 913, 924, 938, 996, 1072, 1162, 1232, 1328, 1407, 1474, 1608, 1743, 1826, 1848, 1876, 1992, 2211, 2324, 2739, 2814, 2948, 3216, 3486, 3652, 3696, 3752, 3984, 4422, 4648, 5159, 5478, 5561, 5628, 5896, 6391, 6972, 7304, 7504, 8844, 9296, 10318, 10956, 11122, 11256, 11792, 12782, 13944, 14608, 15477, 16683, 17688, 19173, 20636, 21912, 22244, 22512, 25564, 27888, 30954, 33366, 35376, 38346, 38927, 41272, 43824, 44488, 51128, 61171, 61908, 66732, 76692, 77854, 82544, 88976, 102256, 116781, 122342, 123816, 133464, 153384, 155708, 183513, 233562, 244684, 247632, 266928, 306768, 311416, 367026, 428197, 467124, 489368, 622832, 734052, 856394, 934248, 978736, 1284591, 1468104, 1712788, 1868496, 2569182, 2936208, 3425576, 5138364, 6851152, 10276728, 20553456]

約数ペア:

[(1, 20553456), (2, 10276728), (3, 6851152), (4, 5138364), (6, 3425576), (7, 2936208), (8, 2569182), (11, 1868496), (12, 1712788), (14, 1468104), (16, 1284591), (21, 978736), (22, 934248), (24, 856394), (28, 734052), (33, 622832), (42, 489368), (44, 467124), (48, 428197), (56, 367026), (66, 311416), (67, 306768), (77, 266928), (83, 247632), (84, 244684), (88, 233562), (112, 183513), (132, 155708), (134, 153384), (154, 133464), (166, 123816), (168, 122342), (176, 116781), (201, 102256), (231, 88976), (249, 82544), (264, 77854), (268, 76692), (308, 66732), (332, 61908), (336, 61171), (402, 51128), (462, 44488), (469, 43824), (498, 41272), (528, 38927), (536, 38346), (581, 35376), (616, 33366), (664, 30954), (737, 27888), (804, 25564), (913, 22512), (924, 22244), (938, 21912), (996, 20636), (1072, 19173), (1162, 17688), (1232, 16683), (1328, 15477), (1407, 14608), (1474, 13944), (1608, 12782), (1743, 11792), (1826, 11256), (1848, 11122), (1876, 10956), (1992, 10318), (2211, 9296), (2324, 8844), (2739, 7504), (2814, 7304), (2948, 6972), (3216, 6391), (3486, 5896), (3652, 5628), (3696, 5561), (3752, 5478), (3984, 5159), (4422, 4648)]