20163689

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5153}}^1$

素因数の和:5216

約数の個数: 16

約数和(自身を含む): 25398912

約数和(自身を除く): 5235223

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 5153, 36071, 66989, 221579, 468923, 1551053, 2880527, 20163689]

約数ペア:

[(1, 20163689), (7, 2880527), (13, 1551053), (43, 468923), (91, 221579), (301, 66989), (559, 36071), (3913, 5153)]