20466558

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1279}}^1$

素因数の和:1421

約数の個数: 48

約数和(自身を含む): 51118080

約数和(自身を除く): 30651522

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 127, 254, 381, 762, 889, 1143, 1279, 1778, 2286, 2558, 2667, 3837, 5334, 7674, 8001, 8953, 11511, 16002, 17906, 23022, 26859, 53718, 80577, 161154, 162433, 324866, 487299, 974598, 1137031, 1461897, 2274062, 2923794, 3411093, 6822186, 10233279, 20466558]

約数ペア:

[(1, 20466558), (2, 10233279), (3, 6822186), (6, 3411093), (7, 2923794), (9, 2274062), (14, 1461897), (18, 1137031), (21, 974598), (42, 487299), (63, 324866), (126, 162433), (127, 161154), (254, 80577), (381, 53718), (762, 26859), (889, 23022), (1143, 17906), (1279, 16002), (1778, 11511), (2286, 8953), (2558, 8001), (2667, 7674), (3837, 5334)]