20005107

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1759}}^1$

素因数の和:2002

約数の個数: 16

約数和(自身を含む): 28385280

約数和(自身を除く): 8380173

約数列:

[1, 3, 17, 51, 223, 669, 1759, 3791, 5277, 11373, 29903, 89709, 392257, 1176771, 6668369, 20005107]

約数ペア:

[(1, 20005107), (3, 6668369), (17, 1176771), (51, 392257), (223, 89709), (669, 29903), (1759, 11373), (3791, 5277)]