20058597

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 33093984

約数和(自身を除く): 13035387

約数列:

[1, 3, 9, 13, 27, 39, 43, 81, 117, 129, 351, 387, 443, 559, 1053, 1161, 1329, 1677, 3483, 3987, 5031, 5759, 11961, 15093, 17277, 19049, 35883, 45279, 51831, 57147, 155493, 171441, 247637, 466479, 514323, 742911, 1542969, 2228733, 6686199, 20058597]

約数ペア:

[(1, 20058597), (3, 6686199), (9, 2228733), (13, 1542969), (27, 742911), (39, 514323), (43, 466479), (81, 247637), (117, 171441), (129, 155493), (351, 57147), (387, 51831), (443, 45279), (559, 35883), (1053, 19049), (1161, 17277), (1329, 15093), (1677, 11961), (3483, 5759), (3987, 5031)]