9638044420

素因数分解:

$2^2\times 5^1\times {\mathrm{481902221}}^1$

素因数の和:481902230

約数の個数: 12

約数和(自身を含む): 20239893324

約数和(自身を除く): 10601848904

約数列:

[1, 2, 4, 5, 10, 20, 481902221, 963804442, 1927608884, 2409511105, 4819022210, 9638044420]

約数ペア:

[(1, 9638044420), (2, 4819022210), (4, 2409511105), (5, 1927608884), (10, 963804442), (20, 481902221)]