20173593880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{777103}}^1$

素因数の和:777184

約数の個数: 64

約数和(自身を含む): 50356339200

約数和(自身を除く): 30182745320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 1180, 1298, 2360, 2596, 3245, 5192, 6490, 12980, 25960, 777103, 1554206, 3108412, 3885515, 6216824, 7771030, 8548133, 15542060, 17096266, 31084120, 34192532, 42740665, 45849077, 68385064, 85481330, 91698154, 170962660, 183396308, 229245385, 341925320, 366792616, 458490770, 504339847, 916981540, 1008679694, 1833963080, 2017359388, 2521699235, 4034718776, 5043398470, 10086796940, 20173593880]

約数ペア:

[(1, 20173593880), (2, 10086796940), (4, 5043398470), (5, 4034718776), (8, 2521699235), (10, 2017359388), (11, 1833963080), (20, 1008679694), (22, 916981540), (40, 504339847), (44, 458490770), (55, 366792616), (59, 341925320), (88, 229245385), (110, 183396308), (118, 170962660), (220, 91698154), (236, 85481330), (295, 68385064), (440, 45849077), (472, 42740665), (590, 34192532), (649, 31084120), (1180, 17096266), (1298, 15542060), (2360, 8548133), (2596, 7771030), (3245, 6216824), (5192, 3885515), (6490, 3108412), (12980, 1554206), (25960, 777103)]