20844723

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{463}}^1$

素因数の和:858

約数の個数: 16

約数和(自身を含む): 28582400

約数和(自身を除く): 7737677

約数列:

[1, 3, 43, 129, 349, 463, 1047, 1389, 15007, 19909, 45021, 59727, 161587, 484761, 6948241, 20844723]

約数ペア:

[(1, 20844723), (3, 6948241), (43, 484761), (129, 161587), (349, 59727), (463, 45021), (1047, 19909), (1389, 15007)]