16940020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{44579}}^1$

素因数の和:44607

約数の個数: 24

約数和(自身を含む): 37447200

約数和(自身を除く): 20507180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 44579, 89158, 178316, 222895, 445790, 847001, 891580, 1694002, 3388004, 4235005, 8470010, 16940020]

約数ペア:

[(1, 16940020), (2, 8470010), (4, 4235005), (5, 3388004), (10, 1694002), (19, 891580), (20, 847001), (38, 445790), (76, 222895), (95, 178316), (190, 89158), (380, 44579)]