20988896540

素因数分解:

$2^2\times 5^1\times {\mathrm{1049444827}}^1$

素因数の和:1049444836

約数の個数: 12

約数和(自身を含む): 44076682776

約数和(自身を除く): 23087786236

約数列:

[1, 2, 4, 5, 10, 20, 1049444827, 2098889654, 4197779308, 5247224135, 10494448270, 20988896540]

約数ペア:

[(1, 20988896540), (2, 10494448270), (4, 5247224135), (5, 4197779308), (10, 2098889654), (20, 1049444827)]