20162870791

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{761}}^1\times {\mathrm{1871}}^1$

素因数の和:2680

約数の個数: 36

約数和(自身を含む): 24961693536

約数和(自身を除く): 4798822745

約数列:

[1, 7, 17, 49, 119, 289, 761, 833, 1871, 2023, 5327, 12937, 13097, 14161, 31807, 37289, 90559, 91679, 219929, 222649, 540719, 633913, 1423831, 1539503, 1558543, 3785033, 9966817, 10776521, 24205127, 26495231, 69767719, 169435889, 411487159, 1186051223, 2880410113, 20162870791]

約数ペア:

[(1, 20162870791), (7, 2880410113), (17, 1186051223), (49, 411487159), (119, 169435889), (289, 69767719), (761, 26495231), (833, 24205127), (1871, 10776521), (2023, 9966817), (5327, 3785033), (12937, 1558543), (13097, 1539503), (14161, 1423831), (31807, 633913), (37289, 540719), (90559, 222649), (91679, 219929)]