20165213

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 22680000

約数和(自身を除く): 2514787

約数列:

[1, 17, 19, 149, 323, 419, 2533, 2831, 7123, 7961, 48127, 62431, 135337, 1061327, 1186189, 20165213]

約数ペア:

[(1, 20165213), (17, 1186189), (19, 1061327), (149, 135337), (323, 62431), (419, 48127), (2533, 7961), (2831, 7123)]