20188105

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{8609}}^1$

素因数の和:8688

約数の個数: 16

約数和(自身を含む): 28103040

約数和(自身を除く): 7914935

約数列:

[1, 5, 7, 35, 67, 335, 469, 2345, 8609, 43045, 60263, 301315, 576803, 2884015, 4037621, 20188105]

約数ペア:

[(1, 20188105), (5, 4037621), (7, 2884015), (35, 576803), (67, 301315), (335, 60263), (469, 43045), (2345, 8609)]