20131313321

素因数分解:

$7^2\times {\mathrm{67}}^1\times {\mathrm{311}}^1\times {\mathrm{19717}}^1$

素因数の和:20109

約数の個数: 24

約数和(自身を含む): 23845214016

約数和(自身を除く): 3713900695

約数列:

[1, 7, 49, 67, 311, 469, 2177, 3283, 15239, 19717, 20837, 138019, 145859, 966133, 1021013, 1321039, 6131987, 9247273, 42923909, 64730911, 300467363, 410843129, 2875901903, 20131313321]

約数ペア:

[(1, 20131313321), (7, 2875901903), (49, 410843129), (67, 300467363), (311, 64730911), (469, 42923909), (2177, 9247273), (3283, 6131987), (15239, 1321039), (19717, 1021013), (20837, 966133), (138019, 145859)]