20667416

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4793}}^1$

素因数の和:4824

約数の個数: 48

約数和(自身を含む): 49186440

約数和(自身を除く): 28519024

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4793, 9586, 19172, 33551, 38344, 52723, 67102, 105446, 134204, 210892, 234857, 268408, 369061, 421784, 469714, 738122, 939428, 1476244, 1878856, 2583427, 2952488, 5166854, 10333708, 20667416]

約数ペア:

[(1, 20667416), (2, 10333708), (4, 5166854), (7, 2952488), (8, 2583427), (11, 1878856), (14, 1476244), (22, 939428), (28, 738122), (44, 469714), (49, 421784), (56, 369061), (77, 268408), (88, 234857), (98, 210892), (154, 134204), (196, 105446), (308, 67102), (392, 52723), (539, 38344), (616, 33551), (1078, 19172), (2156, 9586), (4312, 4793)]