20340387

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 30357600

約数和(自身を除く): 10017213

約数列:

[1, 3, 9, 41, 123, 199, 277, 369, 597, 831, 1791, 2493, 8159, 11357, 24477, 34071, 55123, 73431, 102213, 165369, 496107, 2260043, 6780129, 20340387]

約数ペア:

[(1, 20340387), (3, 6780129), (9, 2260043), (41, 496107), (123, 165369), (199, 102213), (277, 73431), (369, 55123), (597, 34071), (831, 24477), (1791, 11357), (2493, 8159)]