20555612

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66739}}^1$

素因数の和:66761

約数の個数: 24

約数和(自身を含む): 44849280

約数和(自身を除く): 24293668

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66739, 133478, 266956, 467173, 734129, 934346, 1468258, 1868692, 2936516, 5138903, 10277806, 20555612]

約数ペア:

[(1, 20555612), (2, 10277806), (4, 5138903), (7, 2936516), (11, 1868692), (14, 1468258), (22, 934346), (28, 734129), (44, 467173), (77, 266956), (154, 133478), (308, 66739)]