20091200

素因数分解:

$2^6\times 5^2\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:484

約数の個数: 84

約数和(自身を含む): 51259740

約数和(自身を除く): 31168540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 116, 145, 160, 200, 232, 290, 320, 400, 433, 464, 580, 725, 800, 866, 928, 1160, 1450, 1600, 1732, 1856, 2165, 2320, 2900, 3464, 4330, 4640, 5800, 6928, 8660, 9280, 10825, 11600, 12557, 13856, 17320, 21650, 23200, 25114, 27712, 34640, 43300, 46400, 50228, 62785, 69280, 86600, 100456, 125570, 138560, 173200, 200912, 251140, 313925, 346400, 401824, 502280, 627850, 692800, 803648, 1004560, 1255700, 2009120, 2511400, 4018240, 5022800, 10045600, 20091200]

約数ペア:

[(1, 20091200), (2, 10045600), (4, 5022800), (5, 4018240), (8, 2511400), (10, 2009120), (16, 1255700), (20, 1004560), (25, 803648), (29, 692800), (32, 627850), (40, 502280), (50, 401824), (58, 346400), (64, 313925), (80, 251140), (100, 200912), (116, 173200), (145, 138560), (160, 125570), (200, 100456), (232, 86600), (290, 69280), (320, 62785), (400, 50228), (433, 46400), (464, 43300), (580, 34640), (725, 27712), (800, 25114), (866, 23200), (928, 21650), (1160, 17320), (1450, 13856), (1600, 12557), (1732, 11600), (1856, 10825), (2165, 9280), (2320, 8660), (2900, 6928), (3464, 5800), (4330, 4640)]