20855624

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{23917}}^1$

素因数の和:24032

約数の個数: 16

約数和(自身を含む): 39464700

約数和(自身を除く): 18609076

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 23917, 47834, 95668, 191336, 2606953, 5213906, 10427812, 20855624]

約数ペア:

[(1, 20855624), (2, 10427812), (4, 5213906), (8, 2606953), (109, 191336), (218, 95668), (436, 47834), (872, 23917)]