20185540

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2663}}^1$

素因数の和:3051

約数の個数: 24

約数和(自身を含む): 42517440

約数和(自身を除く): 22331900

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 2663, 3790, 5326, 7580, 10652, 13315, 26630, 53260, 1009277, 2018554, 4037108, 5046385, 10092770, 20185540]

約数ペア:

[(1, 20185540), (2, 10092770), (4, 5046385), (5, 4037108), (10, 2018554), (20, 1009277), (379, 53260), (758, 26630), (1516, 13315), (1895, 10652), (2663, 7580), (3790, 5326)]