20806094428

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^2\times {\mathrm{126223}}^1$

素因数の和:126299

約数の個数: 54

約数和(自身を含む): 43866500496

約数和(自身を除く): 23060406068

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 841, 1421, 1682, 2842, 3364, 5684, 5887, 11774, 23548, 41209, 82418, 126223, 164836, 252446, 504892, 883561, 1767122, 3534244, 3660467, 6184927, 7320934, 12369854, 14641868, 24739708, 25623269, 51246538, 102493076, 106153543, 179362883, 212307086, 358725766, 424614172, 717451532, 743074801, 1486149602, 2972299204, 5201523607, 10403047214, 20806094428]

約数ペア:

[(1, 20806094428), (2, 10403047214), (4, 5201523607), (7, 2972299204), (14, 1486149602), (28, 743074801), (29, 717451532), (49, 424614172), (58, 358725766), (98, 212307086), (116, 179362883), (196, 106153543), (203, 102493076), (406, 51246538), (812, 25623269), (841, 24739708), (1421, 14641868), (1682, 12369854), (2842, 7320934), (3364, 6184927), (5684, 3660467), (5887, 3534244), (11774, 1767122), (23548, 883561), (41209, 504892), (82418, 252446), (126223, 164836)]