20803304

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{23857}}^1$

素因数の和:23972

約数の個数: 16

約数和(自身を含む): 39365700

約数和(自身を除く): 18562396

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 23857, 47714, 95428, 190856, 2600413, 5200826, 10401652, 20803304]

約数ペア:

[(1, 20803304), (2, 10401652), (4, 5200826), (8, 2600413), (109, 190856), (218, 95428), (436, 47714), (872, 23857)]