20165917

素因数分解:

${\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:380

約数の個数: 16

約数和(自身を含む): 21835008

約数和(自身を除く): 1669091

約数列:

[1, 23, 53, 71, 233, 1219, 1633, 3763, 5359, 12349, 16543, 86549, 284027, 380489, 876779, 20165917]

約数ペア:

[(1, 20165917), (23, 876779), (53, 380489), (71, 284027), (233, 86549), (1219, 16543), (1633, 12349), (3763, 5359)]