20290081

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{409}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 24534400

約数和(自身を除く): 4244319

約数列:

[1, 7, 19, 133, 373, 409, 2611, 2863, 7087, 7771, 49609, 54397, 152557, 1067899, 2898583, 20290081]

約数ペア:

[(1, 20290081), (7, 2898583), (19, 1067899), (133, 152557), (373, 54397), (409, 49609), (2611, 7771), (2863, 7087)]