20066778

素因数分解:

$2^1\times 3^4\times {\mathrm{97}}^1\times {\mathrm{1277}}^1$

素因数の和:1388

約数の個数: 40

約数和(自身を含む): 45463572

約数和(自身を除く): 25396794

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 97, 162, 194, 291, 582, 873, 1277, 1746, 2554, 2619, 3831, 5238, 7662, 7857, 11493, 15714, 22986, 34479, 68958, 103437, 123869, 206874, 247738, 371607, 743214, 1114821, 2229642, 3344463, 6688926, 10033389, 20066778]

約数ペア:

[(1, 20066778), (2, 10033389), (3, 6688926), (6, 3344463), (9, 2229642), (18, 1114821), (27, 743214), (54, 371607), (81, 247738), (97, 206874), (162, 123869), (194, 103437), (291, 68958), (582, 34479), (873, 22986), (1277, 15714), (1746, 11493), (2554, 7857), (2619, 7662), (3831, 5238)]