20798924272

素因数分解:

$2^4\times 7^1\times {\mathrm{11447}}^1\times {\mathrm{16223}}^1$

素因数の和:27685

約数の個数: 40

約数和(自身を含む): 46061623296

約数和(自身を除く): 25262699024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 11447, 16223, 22894, 32446, 45788, 64892, 80129, 91576, 113561, 129784, 160258, 183152, 227122, 259568, 320516, 454244, 641032, 908488, 1282064, 1816976, 185704681, 371409362, 742818724, 1299932767, 1485637448, 2599865534, 2971274896, 5199731068, 10399462136, 20798924272]

約数ペア:

[(1, 20798924272), (2, 10399462136), (4, 5199731068), (7, 2971274896), (8, 2599865534), (14, 1485637448), (16, 1299932767), (28, 742818724), (56, 371409362), (112, 185704681), (11447, 1816976), (16223, 1282064), (22894, 908488), (32446, 641032), (45788, 454244), (64892, 320516), (80129, 259568), (91576, 227122), (113561, 183152), (129784, 160258)]