20184471

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{1181}}^1$

素因数の和:1404

約数の個数: 20

約数和(自身を含む): 30320664

約数和(自身を除く): 10136193

約数列:

[1, 3, 9, 27, 81, 211, 633, 1181, 1899, 3543, 5697, 10629, 17091, 31887, 95661, 249191, 747573, 2242719, 6728157, 20184471]

約数ペア:

[(1, 20184471), (3, 6728157), (9, 2242719), (27, 747573), (81, 249191), (211, 95661), (633, 31887), (1181, 17091), (1899, 10629), (3543, 5697)]