20123394008

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{238723}}^1$

素因数の和:239027

約数の個数: 32

約数和(自身を含む): 38802198960

約数和(自身を除く): 18678804952

約数列:

[1, 2, 4, 8, 41, 82, 164, 257, 328, 514, 1028, 2056, 10537, 21074, 42148, 84296, 238723, 477446, 954892, 1909784, 9787643, 19575286, 39150572, 61351811, 78301144, 122703622, 245407244, 490814488, 2515424251, 5030848502, 10061697004, 20123394008]

約数ペア:

[(1, 20123394008), (2, 10061697004), (4, 5030848502), (8, 2515424251), (41, 490814488), (82, 245407244), (164, 122703622), (257, 78301144), (328, 61351811), (514, 39150572), (1028, 19575286), (2056, 9787643), (10537, 1909784), (21074, 954892), (42148, 477446), (84296, 238723)]