20753577

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19709}}^1$

素因数の和:19734

約数の個数: 20

約数和(自身を含む): 33388740

約数和(自身を除く): 12635163

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19709, 59127, 177381, 256217, 532143, 768651, 1596429, 2305953, 6917859, 20753577]

約数ペア:

[(1, 20753577), (3, 6917859), (9, 2305953), (13, 1596429), (27, 768651), (39, 532143), (81, 256217), (117, 177381), (351, 59127), (1053, 19709)]