20804927577

素因数分解:

$3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{2838713}}^1$

素因数の和:2839072

約数の個数: 16

約数和(自身を含む): 31793596800

約数和(自身を除く): 10988669223

約数列:

[1, 3, 7, 21, 349, 1047, 2443, 7329, 2838713, 8516139, 19870991, 59612973, 990710837, 2972132511, 6934975859, 20804927577]

約数ペア:

[(1, 20804927577), (3, 6934975859), (7, 2972132511), (21, 990710837), (349, 59612973), (1047, 19870991), (2443, 8516139), (7329, 2838713)]