20719233

素因数分解:

$3^4\times {\mathrm{229}}^1\times {\mathrm{1117}}^1$

素因数の和:1358

約数の個数: 20

約数和(自身を含む): 31113940

約数和(自身を除く): 10394707

約数列:

[1, 3, 9, 27, 81, 229, 687, 1117, 2061, 3351, 6183, 10053, 18549, 30159, 90477, 255793, 767379, 2302137, 6906411, 20719233]

約数ペア:

[(1, 20719233), (3, 6906411), (9, 2302137), (27, 767379), (81, 255793), (229, 90477), (687, 30159), (1117, 18549), (2061, 10053), (3351, 6183)]