20553984

素因数分解:

$2^8\times 3^2\times {\mathrm{11}}^1\times {\mathrm{811}}^1$

素因数の和:844

約数の個数: 108

約数和(自身を含む): 64729392

約数和(自身を除く): 44175408

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 128, 132, 144, 176, 192, 198, 256, 264, 288, 352, 384, 396, 528, 576, 704, 768, 792, 811, 1056, 1152, 1408, 1584, 1622, 2112, 2304, 2433, 2816, 3168, 3244, 4224, 4866, 6336, 6488, 7299, 8448, 8921, 9732, 12672, 12976, 14598, 17842, 19464, 25344, 25952, 26763, 29196, 35684, 38928, 51904, 53526, 58392, 71368, 77856, 80289, 103808, 107052, 116784, 142736, 155712, 160578, 207616, 214104, 233568, 285472, 311424, 321156, 428208, 467136, 570944, 622848, 642312, 856416, 934272, 1141888, 1284624, 1712832, 1868544, 2283776, 2569248, 3425664, 5138496, 6851328, 10276992, 20553984]

約数ペア:

[(1, 20553984), (2, 10276992), (3, 6851328), (4, 5138496), (6, 3425664), (8, 2569248), (9, 2283776), (11, 1868544), (12, 1712832), (16, 1284624), (18, 1141888), (22, 934272), (24, 856416), (32, 642312), (33, 622848), (36, 570944), (44, 467136), (48, 428208), (64, 321156), (66, 311424), (72, 285472), (88, 233568), (96, 214104), (99, 207616), (128, 160578), (132, 155712), (144, 142736), (176, 116784), (192, 107052), (198, 103808), (256, 80289), (264, 77856), (288, 71368), (352, 58392), (384, 53526), (396, 51904), (528, 38928), (576, 35684), (704, 29196), (768, 26763), (792, 25952), (811, 25344), (1056, 19464), (1152, 17842), (1408, 14598), (1584, 12976), (1622, 12672), (2112, 9732), (2304, 8921), (2433, 8448), (2816, 7299), (3168, 6488), (3244, 6336), (4224, 4866)]