20687523

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{5417}}^1$

素因数の和:5506

約数の個数: 16

約数和(自身を含む): 29473920

約数和(自身を除く): 8786397

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 5417, 16251, 102923, 308769, 362939, 1088817, 6895841, 20687523]

約数ペア:

[(1, 20687523), (3, 6895841), (19, 1088817), (57, 362939), (67, 308769), (201, 102923), (1273, 16251), (3819, 5417)]