20995144

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{24077}}^1$

素因数の和:24192

約数の個数: 16

約数和(自身を含む): 39728700

約数和(自身を除く): 18733556

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 24077, 48154, 96308, 192616, 2624393, 5248786, 10497572, 20995144]

約数ペア:

[(1, 20995144), (2, 10497572), (4, 5248786), (8, 2624393), (109, 192616), (218, 96308), (436, 48154), (872, 24077)]