20285050

素因数分解:

$2^1\times 5^2\times {\mathrm{405701}}^1$

素因数の和:405713

約数の個数: 12

約数和(自身を含む): 37730286

約数和(自身を除く): 17445236

約数列:

[1, 2, 5, 10, 25, 50, 405701, 811402, 2028505, 4057010, 10142525, 20285050]

約数ペア:

[(1, 20285050), (2, 10142525), (5, 4057010), (10, 2028505), (25, 811402), (50, 405701)]