20880147211

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7328939}}^1$

素因数の和:7328994

約数の個数: 16

約数和(自身を含む): 26735973120

約数和(自身を除く): 5855825909

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 7328939, 51302573, 80618329, 271170743, 564328303, 1898195201, 2982878173, 20880147211]

約数ペア:

[(1, 20880147211), (7, 2982878173), (11, 1898195201), (37, 564328303), (77, 271170743), (259, 80618329), (407, 51302573), (2849, 7328939)]