20217380155

素因数分解:

$5^1\times 7^2\times {\mathrm{8311}}^1\times {\mathrm{9929}}^1$

素因数の和:18259

約数の個数: 24

約数和(自身を含む): 28228050720

約数和(自身を除く): 8010670565

約数列:

[1, 5, 7, 35, 49, 245, 8311, 9929, 41555, 49645, 58177, 69503, 290885, 347515, 407239, 486521, 2036195, 2432605, 82519919, 412599595, 577639433, 2888197165, 4043476031, 20217380155]

約数ペア:

[(1, 20217380155), (5, 4043476031), (7, 2888197165), (35, 577639433), (49, 412599595), (245, 82519919), (8311, 2432605), (9929, 2036195), (41555, 486521), (49645, 407239), (58177, 347515), (69503, 290885)]