20798314131

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{458729}}^1$

素因数の和:458883

約数の個数: 32

約数和(自身を含む): 33821245440

約数和(自身を除く): 13022931309

約数列:

[1, 3, 7, 17, 21, 51, 119, 127, 357, 381, 889, 2159, 2667, 6477, 15113, 45339, 458729, 1376187, 3211103, 7798393, 9633309, 23395179, 54588751, 58258583, 163766253, 174775749, 407810081, 990395911, 1223430243, 2971187733, 6932771377, 20798314131]

約数ペア:

[(1, 20798314131), (3, 6932771377), (7, 2971187733), (17, 1223430243), (21, 990395911), (51, 407810081), (119, 174775749), (127, 163766253), (357, 58258583), (381, 54588751), (889, 23395179), (2159, 9633309), (2667, 7798393), (6477, 3211103), (15113, 1376187), (45339, 458729)]