20082881

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1109}}^1$

素因数の和:1328

約数の個数: 16

約数和(自身を含む): 24864000

約数和(自身を除く): 4781119

約数列:

[1, 7, 13, 91, 199, 1109, 1393, 2587, 7763, 14417, 18109, 100919, 220691, 1544837, 2868983, 20082881]

約数ペア:

[(1, 20082881), (7, 2868983), (13, 1544837), (91, 220691), (199, 100919), (1109, 18109), (1393, 14417), (2587, 7763)]