20385843

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{673}}^1$

素因数の和:1138

約数の個数: 16

約数和(自身を含む): 28469760

約数和(自身を除く): 8083917

約数列:

[1, 3, 23, 69, 439, 673, 1317, 2019, 10097, 15479, 30291, 46437, 295447, 886341, 6795281, 20385843]

約数ペア:

[(1, 20385843), (3, 6795281), (23, 886341), (69, 295447), (439, 46437), (673, 30291), (1317, 15479), (2019, 10097)]