20213335

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{701}}^1$

素因数の和:858

約数の個数: 16

約数和(自身を含む): 24935040

約数和(自身を除く): 4721705

約数列:

[1, 5, 73, 79, 365, 395, 701, 3505, 5767, 28835, 51173, 55379, 255865, 276895, 4042667, 20213335]

約数ペア:

[(1, 20213335), (5, 4042667), (73, 276895), (79, 255865), (365, 55379), (395, 51173), (701, 28835), (3505, 5767)]