20456445340

素因数分解:

$2^2\times 5^1\times {\mathrm{1022822267}}^1$

素因数の和:1022822276

約数の個数: 12

約数和(自身を含む): 42958535256

約数和(自身を除く): 22502089916

約数列:

[1, 2, 4, 5, 10, 20, 1022822267, 2045644534, 4091289068, 5114111335, 10228222670, 20456445340]

約数ペア:

[(1, 20456445340), (2, 10228222670), (4, 5114111335), (5, 4091289068), (10, 2045644534), (20, 1022822267)]