20032397

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 25612608

約数和(自身を除く): 5580211

約数列:

[1, 7, 11, 67, 77, 121, 353, 469, 737, 847, 2471, 3883, 5159, 8107, 23651, 27181, 42713, 56749, 165557, 260161, 298991, 1821127, 2861771, 20032397]

約数ペア:

[(1, 20032397), (7, 2861771), (11, 1821127), (67, 298991), (77, 260161), (121, 165557), (353, 56749), (469, 42713), (737, 27181), (847, 23651), (2471, 8107), (3883, 5159)]