20249982

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1193}}^1$

素因数の和:1265

約数の個数: 48

約数和(自身を含む): 46938528

約数和(自身を除く): 26688546

約数列:

[1, 2, 3, 6, 9, 18, 23, 41, 46, 69, 82, 123, 138, 207, 246, 369, 414, 738, 943, 1193, 1886, 2386, 2829, 3579, 5658, 7158, 8487, 10737, 16974, 21474, 27439, 48913, 54878, 82317, 97826, 146739, 164634, 246951, 293478, 440217, 493902, 880434, 1124999, 2249998, 3374997, 6749994, 10124991, 20249982]

約数ペア:

[(1, 20249982), (2, 10124991), (3, 6749994), (6, 3374997), (9, 2249998), (18, 1124999), (23, 880434), (41, 493902), (46, 440217), (69, 293478), (82, 246951), (123, 164634), (138, 146739), (207, 97826), (246, 82317), (369, 54878), (414, 48913), (738, 27439), (943, 21474), (1193, 16974), (1886, 10737), (2386, 8487), (2829, 7158), (3579, 5658)]