20269287

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{967}}^1$

素因数の和:1127

約数の個数: 24

約数和(自身を含む): 31258656

約数和(自身を除く): 10989369

約数列:

[1, 3, 9, 17, 51, 137, 153, 411, 967, 1233, 2329, 2901, 6987, 8703, 16439, 20961, 49317, 132479, 147951, 397437, 1192311, 2252143, 6756429, 20269287]

約数ペア:

[(1, 20269287), (3, 6756429), (9, 2252143), (17, 1192311), (51, 397437), (137, 147951), (153, 132479), (411, 49317), (967, 20961), (1233, 16439), (2329, 8703), (2901, 6987)]