20384397

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10837}}^1$

素因数の和:10873

約数の個数: 24

約数和(自身を含む): 33814560

約数和(自身を除く): 13430163

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 10837, 32511, 97533, 119207, 205903, 357621, 617709, 1072863, 1853127, 2264933, 6794799, 20384397]

約数ペア:

[(1, 20384397), (3, 6794799), (9, 2264933), (11, 1853127), (19, 1072863), (33, 617709), (57, 357621), (99, 205903), (171, 119207), (209, 97533), (627, 32511), (1881, 10837)]