20189710075

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{9074027}}^1$

素因数の和:9074126

約数の個数: 12

約数和(自身を含む): 25316538120

約数和(自身を除く): 5126828045

約数列:

[1, 5, 25, 89, 445, 2225, 9074027, 45370135, 226850675, 807588403, 4037942015, 20189710075]

約数ペア:

[(1, 20189710075), (5, 4037942015), (25, 807588403), (89, 226850675), (445, 45370135), (2225, 9074027)]