20892015

素因数分解:

$3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2333}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 36410400

約数和(自身を除く): 15518385

約数列:

[1, 3, 5, 9, 15, 45, 199, 597, 995, 1791, 2333, 2985, 6999, 8955, 11665, 20997, 34995, 104985, 464267, 1392801, 2321335, 4178403, 6964005, 20892015]

約数ペア:

[(1, 20892015), (3, 6964005), (5, 4178403), (9, 2321335), (15, 1392801), (45, 464267), (199, 104985), (597, 34995), (995, 20997), (1791, 11665), (2333, 8955), (2985, 6999)]