888939820

素因数分解:

$2^2\times 5^1\times {\mathrm{44446991}}^1$

素因数の和:44447000

約数の個数: 12

約数和(自身を含む): 1866773664

約数和(自身を除く): 977833844

約数列:

[1, 2, 4, 5, 10, 20, 44446991, 88893982, 177787964, 222234955, 444469910, 888939820]

約数ペア:

[(1, 888939820), (2, 444469910), (4, 222234955), (5, 177787964), (10, 88893982), (20, 44446991)]