20178906041

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{2713}}^1\times {\mathrm{8929}}^1$

素因数の和:11673

約数の個数: 24

約数和(自身を含む): 24866156520

約数和(自身を除く): 4687250479

約数列:

[1, 7, 17, 49, 119, 833, 2713, 8929, 18991, 46121, 62503, 132937, 151793, 322847, 437521, 1062551, 2259929, 7437857, 24224377, 169570639, 411814409, 1186994473, 2882700863, 20178906041]

約数ペア:

[(1, 20178906041), (7, 2882700863), (17, 1186994473), (49, 411814409), (119, 169570639), (833, 24224377), (2713, 7437857), (8929, 2259929), (18991, 1062551), (46121, 437521), (62503, 322847), (132937, 151793)]