20788435

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4409}}^1$

素因数の和:4478

約数の個数: 16

約数和(自身を含む): 26671680

約数和(自身を除く): 5883245

約数列:

[1, 5, 23, 41, 115, 205, 943, 4409, 4715, 22045, 101407, 180769, 507035, 903845, 4157687, 20788435]

約数ペア:

[(1, 20788435), (5, 4157687), (23, 903845), (41, 507035), (115, 180769), (205, 101407), (943, 22045), (4409, 4715)]