2008803220

素因数分解:

$2^2\times 5^1\times {\mathrm{100440161}}^1$

素因数の和:100440170

約数の個数: 12

約数和(自身を含む): 4218486804

約数和(自身を除く): 2209683584

約数列:

[1, 2, 4, 5, 10, 20, 100440161, 200880322, 401760644, 502200805, 1004401610, 2008803220]

約数ペア:

[(1, 2008803220), (2, 1004401610), (4, 502200805), (5, 401760644), (10, 200880322), (20, 100440161)]