20177283

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56519}}^1$

素因数の和:56546

約数の個数: 16

約数和(自身を含む): 32555520

約数和(自身を除く): 12378237

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56519, 169557, 395633, 960823, 1186899, 2882469, 6725761, 20177283]

約数ペア:

[(1, 20177283), (3, 6725761), (7, 2882469), (17, 1186899), (21, 960823), (51, 395633), (119, 169557), (357, 56519)]