20852478

素因数分解:

$2^1\times 3^4\times {\mathrm{97}}^1\times {\mathrm{1327}}^1$

素因数の和:1438

約数の個数: 40

約数和(自身を含む): 47242272

約数和(自身を除く): 26389794

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 97, 162, 194, 291, 582, 873, 1327, 1746, 2619, 2654, 3981, 5238, 7857, 7962, 11943, 15714, 23886, 35829, 71658, 107487, 128719, 214974, 257438, 386157, 772314, 1158471, 2316942, 3475413, 6950826, 10426239, 20852478]

約数ペア:

[(1, 20852478), (2, 10426239), (3, 6950826), (6, 3475413), (9, 2316942), (18, 1158471), (27, 772314), (54, 386157), (81, 257438), (97, 214974), (162, 128719), (194, 107487), (291, 71658), (582, 35829), (873, 23886), (1327, 15714), (1746, 11943), (2619, 7962), (2654, 7857), (3981, 5238)]