20090787

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1867}}^1$

素因数の和:2098

約数の個数: 16

約数和(自身を含む): 28513152

約数和(自身を除く): 8422365

約数列:

[1, 3, 17, 51, 211, 633, 1867, 3587, 5601, 10761, 31739, 95217, 393937, 1181811, 6696929, 20090787]

約数ペア:

[(1, 20090787), (3, 6696929), (17, 1181811), (51, 393937), (211, 95217), (633, 31739), (1867, 10761), (3587, 5601)]