19905550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{56873}}^1$

素因数の和:56892

約数の個数: 24

約数和(自身を含む): 42314256

約数和(自身を除く): 22408706

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 56873, 113746, 284365, 398111, 568730, 796222, 1421825, 1990555, 2843650, 3981110, 9952775, 19905550]

約数ペア:

[(1, 19905550), (2, 9952775), (5, 3981110), (7, 2843650), (10, 1990555), (14, 1421825), (25, 796222), (35, 568730), (50, 398111), (70, 284365), (175, 113746), (350, 56873)]