20815624

素因数分解:

$2^3\times {\mathrm{439}}^1\times {\mathrm{5927}}^1$

素因数の和:6372

約数の個数: 16

約数和(自身を含む): 39124800

約数和(自身を除く): 18309176

約数列:

[1, 2, 4, 8, 439, 878, 1756, 3512, 5927, 11854, 23708, 47416, 2601953, 5203906, 10407812, 20815624]

約数ペア:

[(1, 20815624), (2, 10407812), (4, 5203906), (8, 2601953), (439, 47416), (878, 23708), (1756, 11854), (3512, 5927)]