20798217

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11057}}^1$

素因数の和:11093

約数の個数: 24

約数和(自身を含む): 34500960

約数和(自身を除く): 13702743

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 11057, 33171, 99513, 121627, 210083, 364881, 630249, 1094643, 1890747, 2310913, 6932739, 20798217]

約数ペア:

[(1, 20798217), (3, 6932739), (9, 2310913), (11, 1890747), (19, 1094643), (33, 630249), (57, 364881), (99, 210083), (171, 121627), (209, 99513), (627, 33171), (1881, 11057)]