20081373

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{2309}}^1$

素因数の和:2548

約数の個数: 16

約数和(自身を含む): 28976640

約数和(自身を除く): 8895267

約数列:

[1, 3, 13, 39, 223, 669, 2309, 2899, 6927, 8697, 30017, 90051, 514907, 1544721, 6693791, 20081373]

約数ペア:

[(1, 20081373), (3, 6693791), (13, 1544721), (39, 514907), (223, 90051), (669, 30017), (2309, 8697), (2899, 6927)]