20120642649

素因数分解:

$3^3\times {\mathrm{8221}}^1\times {\mathrm{90647}}^1$

素因数の和:98877

約数の個数: 16

約数和(自身を含む): 29812314240

約数和(自身を除く): 9691671591

約数列:

[1, 3, 9, 27, 8221, 24663, 73989, 90647, 221967, 271941, 815823, 2447469, 745208987, 2235626961, 6706880883, 20120642649]

約数ペア:

[(1, 20120642649), (3, 6706880883), (9, 2235626961), (27, 745208987), (8221, 2447469), (24663, 815823), (73989, 271941), (90647, 221967)]