20123057975

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{433}}^1\times {\mathrm{20887}}^1$

素因数の和:21419

約数の個数: 24

約数和(自身を含む): 25292443680

約数和(自身を除く): 5169385705

約数列:

[1, 5, 25, 89, 433, 445, 2165, 2225, 10825, 20887, 38537, 104435, 192685, 522175, 963425, 1858943, 9044071, 9294715, 45220355, 46473575, 226101775, 804922319, 4024611595, 20123057975]

約数ペア:

[(1, 20123057975), (5, 4024611595), (25, 804922319), (89, 226101775), (433, 46473575), (445, 45220355), (2165, 9294715), (2225, 9044071), (10825, 1858943), (20887, 963425), (38537, 522175), (104435, 192685)]