20088545

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{569}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 25280640

約数和(自身を除く): 5192095

約数列:

[1, 5, 23, 115, 307, 569, 1535, 2845, 7061, 13087, 35305, 65435, 174683, 873415, 4017709, 20088545]

約数ペア:

[(1, 20088545), (5, 4017709), (23, 873415), (115, 174683), (307, 65435), (569, 35305), (1535, 13087), (2845, 7061)]