20686569

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9433}}^1$

素因数の和:9496

約数の個数: 16

約数和(自身を含む): 29886912

約数和(自身を除く): 9200343

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9433, 28299, 160361, 405619, 481083, 1216857, 6895523, 20686569]

約数ペア:

[(1, 20686569), (3, 6895523), (17, 1216857), (43, 481083), (51, 405619), (129, 160361), (731, 28299), (2193, 9433)]