20690152

素因数分解:

$2^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 46128960

約数和(自身を除く): 25438808

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 94, 98, 188, 196, 329, 376, 392, 658, 1123, 1316, 2246, 2303, 2632, 4492, 4606, 7861, 8984, 9212, 15722, 18424, 31444, 52781, 55027, 62888, 105562, 110054, 211124, 220108, 369467, 422248, 440216, 738934, 1477868, 2586269, 2955736, 5172538, 10345076, 20690152]

約数ペア:

[(1, 20690152), (2, 10345076), (4, 5172538), (7, 2955736), (8, 2586269), (14, 1477868), (28, 738934), (47, 440216), (49, 422248), (56, 369467), (94, 220108), (98, 211124), (188, 110054), (196, 105562), (329, 62888), (376, 55027), (392, 52781), (658, 31444), (1123, 18424), (1316, 15722), (2246, 9212), (2303, 8984), (2632, 7861), (4492, 4606)]