20063920

素因数分解:

$2^4\times 5^1\times {\mathrm{250799}}^1$

素因数の和:250812

約数の個数: 20

約数和(自身を含む): 46648800

約数和(自身を除く): 26584880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 250799, 501598, 1003196, 1253995, 2006392, 2507990, 4012784, 5015980, 10031960, 20063920]

約数ペア:

[(1, 20063920), (2, 10031960), (4, 5015980), (5, 4012784), (8, 2507990), (10, 2006392), (16, 1253995), (20, 1003196), (40, 501598), (80, 250799)]