2001777980

素因数分解:

$2^2\times 5^1\times {\mathrm{2203}}^1\times {\mathrm{45433}}^1$

素因数の和:47645

約数の個数: 24

約数和(自身を含む): 4205734512

約数和(自身を除く): 2203956532

約数列:

[1, 2, 4, 5, 10, 20, 2203, 4406, 8812, 11015, 22030, 44060, 45433, 90866, 181732, 227165, 454330, 908660, 100088899, 200177798, 400355596, 500444495, 1000888990, 2001777980]

約数ペア:

[(1, 2001777980), (2, 1000888990), (4, 500444495), (5, 400355596), (10, 200177798), (20, 100088899), (2203, 908660), (4406, 454330), (8812, 227165), (11015, 181732), (22030, 90866), (44060, 45433)]