20929664

素因数分解:

$2^7\times 7^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 96

約数和(自身を含む): 50232960

約数和(自身を除く): 29303296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 49, 56, 64, 71, 94, 98, 112, 128, 142, 188, 196, 224, 284, 329, 376, 392, 448, 497, 568, 658, 752, 784, 896, 994, 1136, 1316, 1504, 1568, 1988, 2272, 2303, 2632, 3008, 3136, 3337, 3479, 3976, 4544, 4606, 5264, 6016, 6272, 6674, 6958, 7952, 9088, 9212, 10528, 13348, 13916, 15904, 18424, 21056, 23359, 26696, 27832, 31808, 36848, 42112, 46718, 53392, 55664, 63616, 73696, 93436, 106784, 111328, 147392, 163513, 186872, 213568, 222656, 294784, 327026, 373744, 427136, 445312, 654052, 747488, 1308104, 1494976, 2616208, 2989952, 5232416, 10464832, 20929664]

約数ペア:

[(1, 20929664), (2, 10464832), (4, 5232416), (7, 2989952), (8, 2616208), (14, 1494976), (16, 1308104), (28, 747488), (32, 654052), (47, 445312), (49, 427136), (56, 373744), (64, 327026), (71, 294784), (94, 222656), (98, 213568), (112, 186872), (128, 163513), (142, 147392), (188, 111328), (196, 106784), (224, 93436), (284, 73696), (329, 63616), (376, 55664), (392, 53392), (448, 46718), (497, 42112), (568, 36848), (658, 31808), (752, 27832), (784, 26696), (896, 23359), (994, 21056), (1136, 18424), (1316, 15904), (1504, 13916), (1568, 13348), (1988, 10528), (2272, 9212), (2303, 9088), (2632, 7952), (3008, 6958), (3136, 6674), (3337, 6272), (3479, 6016), (3976, 5264), (4544, 4606)]