20538837385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{65183}}^1$

素因数の和:65553

約数の個数: 32

約数和(自身を含む): 28553720832

約数和(自身を除く): 8014883447

約数列:

[1, 5, 11, 17, 55, 85, 187, 337, 935, 1685, 3707, 5729, 18535, 28645, 63019, 65183, 315095, 325915, 717013, 1108111, 3585065, 5540555, 12189221, 21966671, 60946105, 109833355, 241633381, 373433407, 1208166905, 1867167035, 4107767477, 20538837385]

約数ペア:

[(1, 20538837385), (5, 4107767477), (11, 1867167035), (17, 1208166905), (55, 373433407), (85, 241633381), (187, 109833355), (337, 60946105), (935, 21966671), (1685, 12189221), (3707, 5540555), (5729, 3585065), (18535, 1108111), (28645, 717013), (63019, 325915), (65183, 315095)]