20806632008

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1\times {\mathrm{2287}}^1$

素因数の和:2638

約数の個数: 64

約数和(自身を含む): 40275755520

約数和(自身を除く): 19469123512

約数列:

[1, 2, 4, 8, 61, 103, 122, 181, 206, 244, 362, 412, 488, 724, 824, 1448, 2287, 4574, 6283, 9148, 11041, 12566, 18296, 18643, 22082, 25132, 37286, 44164, 50264, 74572, 88328, 139507, 149144, 235561, 279014, 413947, 471122, 558028, 827894, 942244, 1116056, 1137223, 1655788, 1884488, 2274446, 3311576, 4548892, 9097784, 14369221, 25250767, 28738442, 42636541, 50501534, 57476884, 85273082, 101003068, 114953768, 170546164, 202006136, 341092328, 2600829001, 5201658002, 10403316004, 20806632008]

約数ペア:

[(1, 20806632008), (2, 10403316004), (4, 5201658002), (8, 2600829001), (61, 341092328), (103, 202006136), (122, 170546164), (181, 114953768), (206, 101003068), (244, 85273082), (362, 57476884), (412, 50501534), (488, 42636541), (724, 28738442), (824, 25250767), (1448, 14369221), (2287, 9097784), (4574, 4548892), (6283, 3311576), (9148, 2274446), (11041, 1884488), (12566, 1655788), (18296, 1137223), (18643, 1116056), (22082, 942244), (25132, 827894), (37286, 558028), (44164, 471122), (50264, 413947), (74572, 279014), (88328, 235561), (139507, 149144)]