20422719

素因数分解:

$3^3\times {\mathrm{439}}^1\times {\mathrm{1723}}^1$

素因数の和:2171

約数の個数: 16

約数和(自身を含む): 30342400

約数和(自身を除く): 9919681

約数列:

[1, 3, 9, 27, 439, 1317, 1723, 3951, 5169, 11853, 15507, 46521, 756397, 2269191, 6807573, 20422719]

約数ペア:

[(1, 20422719), (3, 6807573), (9, 2269191), (27, 756397), (439, 46521), (1317, 15507), (1723, 11853), (3951, 5169)]