20204019

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1153}}^1$

素因数の和:1232

約数の個数: 32

約数和(自身を含む): 33235200

約数和(自身を除く): 13031181

約数列:

[1, 3, 9, 11, 27, 33, 59, 99, 177, 297, 531, 649, 1153, 1593, 1947, 3459, 5841, 10377, 12683, 17523, 31131, 38049, 68027, 114147, 204081, 342441, 612243, 748297, 1836729, 2244891, 6734673, 20204019]

約数ペア:

[(1, 20204019), (3, 6734673), (9, 2244891), (11, 1836729), (27, 748297), (33, 612243), (59, 342441), (99, 204081), (177, 114147), (297, 68027), (531, 38049), (649, 31131), (1153, 17523), (1593, 12683), (1947, 10377), (3459, 5841)]