20748472

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{36529}}^1$

素因数の和:36606

約数の個数: 16

約数和(自身を含む): 39452400

約数和(自身を除く): 18703928

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 36529, 73058, 146116, 292232, 2593559, 5187118, 10374236, 20748472]

約数ペア:

[(1, 20748472), (2, 10374236), (4, 5187118), (8, 2593559), (71, 292232), (142, 146116), (284, 73058), (568, 36529)]