17922940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{128021}}^1$

素因数の和:128037

約数の個数: 24

約数和(自身を含む): 43015392

約数和(自身を除く): 25092452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 128021, 256042, 512084, 640105, 896147, 1280210, 1792294, 2560420, 3584588, 4480735, 8961470, 17922940]

約数ペア:

[(1, 17922940), (2, 8961470), (4, 4480735), (5, 3584588), (7, 2560420), (10, 1792294), (14, 1280210), (20, 896147), (28, 640105), (35, 512084), (70, 256042), (140, 128021)]