20178649799

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{714061}}^1$

素因数の和:714446

約数の個数: 16

約数和(自身を含む): 25226382336

約数和(自身を除く): 5047732537

約数列:

[1, 7, 11, 77, 367, 2569, 4037, 28259, 714061, 4998427, 7854671, 54982697, 262060387, 1834422709, 2882664257, 20178649799]

約数ペア:

[(1, 20178649799), (7, 2882664257), (11, 1834422709), (77, 262060387), (367, 54982697), (2569, 7854671), (4037, 4998427), (28259, 714061)]