2020708980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{387109}}^1$

素因数の和:387153

約数の個数: 72

約数和(自身を含む): 6340861800

約数和(自身を除く): 4320152820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 387109, 774218, 1161327, 1548436, 1935545, 2322654, 3483981, 3871090, 4645308, 5806635, 6967962, 7742180, 11226161, 11613270, 13935924, 17419905, 22452322, 23226540, 33678483, 34839810, 44904644, 56130805, 67356966, 69679620, 101035449, 112261610, 134713932, 168392415, 202070898, 224523220, 336784830, 404141796, 505177245, 673569660, 1010354490, 2020708980]

約数ペア:

[(1, 2020708980), (2, 1010354490), (3, 673569660), (4, 505177245), (5, 404141796), (6, 336784830), (9, 224523220), (10, 202070898), (12, 168392415), (15, 134713932), (18, 112261610), (20, 101035449), (29, 69679620), (30, 67356966), (36, 56130805), (45, 44904644), (58, 34839810), (60, 33678483), (87, 23226540), (90, 22452322), (116, 17419905), (145, 13935924), (174, 11613270), (180, 11226161), (261, 7742180), (290, 6967962), (348, 5806635), (435, 4645308), (522, 3871090), (580, 3483981), (870, 2322654), (1044, 1935545), (1305, 1548436), (1740, 1161327), (2610, 774218), (5220, 387109)]