899464420

素因数分解:

$2^2\times 5^1\times {\mathrm{44973221}}^1$

素因数の和:44973230

約数の個数: 12

約数和(自身を含む): 1888875324

約数和(自身を除く): 989410904

約数列:

[1, 2, 4, 5, 10, 20, 44973221, 89946442, 179892884, 224866105, 449732210, 899464420]

約数ペア:

[(1, 899464420), (2, 449732210), (4, 224866105), (5, 179892884), (10, 89946442), (20, 44973221)]