20176812243

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3109387}}^1$

素因数の和:3109503

約数の個数: 24

約数和(自身を含む): 33631140608

約数和(自身を除く): 13454328365

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 6489, 3109387, 9328161, 21765709, 27984483, 65297127, 195891381, 320266861, 960800583, 2241868027, 2882401749, 6725604081, 20176812243]

約数ペア:

[(1, 20176812243), (3, 6725604081), (7, 2882401749), (9, 2241868027), (21, 960800583), (63, 320266861), (103, 195891381), (309, 65297127), (721, 27984483), (927, 21765709), (2163, 9328161), (6489, 3109387)]