20149183887

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56440291}}^1$

素因数の和:56440318

約数の個数: 16

約数和(自身を含む): 32509608192

約数和(自身を除く): 12360424305

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56440291, 169320873, 395082037, 959484947, 1185246111, 2878454841, 6716394629, 20149183887]

約数ペア:

[(1, 20149183887), (3, 6716394629), (7, 2878454841), (17, 1185246111), (21, 959484947), (51, 395082037), (119, 169320873), (357, 56440291)]