20126320840

素因数分解:

$2^3\times 5^1\times {\mathrm{503158021}}^1$

素因数の和:503158032

約数の個数: 16

約数和(自身を含む): 45284221980

約数和(自身を除く): 25157901140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503158021, 1006316042, 2012632084, 2515790105, 4025264168, 5031580210, 10063160420, 20126320840]

約数ペア:

[(1, 20126320840), (2, 10063160420), (4, 5031580210), (5, 4025264168), (8, 2515790105), (10, 2012632084), (20, 1006316042), (40, 503158021)]