20673425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 27408960

約数和(自身を除く): 6735535

約数列:

[1, 5, 19, 25, 71, 95, 355, 475, 613, 1349, 1775, 3065, 6745, 11647, 15325, 33725, 43523, 58235, 217615, 291175, 826937, 1088075, 4134685, 20673425]

約数ペア:

[(1, 20673425), (5, 4134685), (19, 1088075), (25, 826937), (71, 291175), (95, 217615), (355, 58235), (475, 43523), (613, 33725), (1349, 15325), (1775, 11647), (3065, 6745)]