20876697

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{15161}}^1$

素因数の和:15190

約数の個数: 20

約数和(自身を含む): 33022836

約数和(自身を除く): 12146139

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 15161, 45483, 136449, 257737, 409347, 773211, 1228041, 2319633, 6958899, 20876697]

約数ペア:

[(1, 20876697), (3, 6958899), (9, 2319633), (17, 1228041), (27, 773211), (51, 409347), (81, 257737), (153, 136449), (459, 45483), (1377, 15161)]