20728048

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117773}}^1$

素因数の和:117792

約数の個数: 20

約数和(自身を含む): 43811928

約数和(自身を除く): 23083880

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117773, 235546, 471092, 942184, 1295503, 1884368, 2591006, 5182012, 10364024, 20728048]

約数ペア:

[(1, 20728048), (2, 10364024), (4, 5182012), (8, 2591006), (11, 1884368), (16, 1295503), (22, 942184), (44, 471092), (88, 235546), (176, 117773)]