20408049376288

素因数分解:

$2^5\times 7^1\times {\mathrm{1373}}^1\times {\mathrm{66356419}}^1$

素因数の和:66357809

約数の個数: 48

約数和(自身を含む): 45951555424320

約数和(自身を除く): 25543506048032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 1373, 2746, 5492, 9611, 10984, 19222, 21968, 38444, 43936, 76888, 153776, 307552, 66356419, 132712838, 265425676, 464494933, 530851352, 928989866, 1061702704, 1857979732, 2123405408, 3715959464, 7431918928, 14863837856, 91107363287, 182214726574, 364429453148, 637751543009, 728858906296, 1275503086018, 1457717812592, 2551006172036, 2915435625184, 5102012344072, 10204024688144, 20408049376288]

約数ペア:

[(1, 20408049376288), (2, 10204024688144), (4, 5102012344072), (7, 2915435625184), (8, 2551006172036), (14, 1457717812592), (16, 1275503086018), (28, 728858906296), (32, 637751543009), (56, 364429453148), (112, 182214726574), (224, 91107363287), (1373, 14863837856), (2746, 7431918928), (5492, 3715959464), (9611, 2123405408), (10984, 1857979732), (19222, 1061702704), (21968, 928989866), (38444, 530851352), (43936, 464494933), (76888, 265425676), (153776, 132712838), (307552, 66356419)]