20273020

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2309}}^1$

素因数の和:2757

約数の個数: 24

約数和(自身を含む): 42688800

約数和(自身を除く): 22415780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 2309, 4390, 4618, 8780, 9236, 11545, 23090, 46180, 1013651, 2027302, 4054604, 5068255, 10136510, 20273020]

約数ペア:

[(1, 20273020), (2, 10136510), (4, 5068255), (5, 4054604), (10, 2027302), (20, 1013651), (439, 46180), (878, 23090), (1756, 11545), (2195, 9236), (2309, 8780), (4390, 4618)]