20085121

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1489}}^1$

素因数の和:1584

約数の個数: 16

約数和(自身を含む): 24030720

約数和(自身を除く): 3945599

約数列:

[1, 7, 41, 47, 287, 329, 1489, 1927, 10423, 13489, 61049, 69983, 427343, 489881, 2869303, 20085121]

約数ペア:

[(1, 20085121), (7, 2869303), (41, 489881), (47, 427343), (287, 69983), (329, 61049), (1489, 13489), (1927, 10423)]