20123849079

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{307}}^1\times {\mathrm{87751}}^1$

素因数の和:88147

約数の個数: 24

約数和(自身を含む): 29514156672

約数和(自身を除く): 9390307593

約数列:

[1, 3, 9, 83, 249, 307, 747, 921, 2763, 25481, 76443, 87751, 229329, 263253, 789759, 7283333, 21849999, 26939557, 65549997, 80818671, 242456013, 2235983231, 6707949693, 20123849079]

約数ペア:

[(1, 20123849079), (3, 6707949693), (9, 2235983231), (83, 242456013), (249, 80818671), (307, 65549997), (747, 26939557), (921, 21849999), (2763, 7283333), (25481, 789759), (76443, 263253), (87751, 229329)]