20879553

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9521}}^1$

素因数の和:9584

約数の個数: 16

約数和(自身を含む): 30165696

約数和(自身を除く): 9286143

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9521, 28563, 161857, 409403, 485571, 1228209, 6959851, 20879553]

約数ペア:

[(1, 20879553), (3, 6959851), (17, 1228209), (43, 485571), (51, 409403), (129, 161857), (731, 28563), (2193, 9521)]