20744976

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2129}}^1$

素因数の和:2176

約数の個数: 80

約数和(自身を含む): 63388800

約数和(自身を除く): 42643824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 42, 48, 56, 58, 84, 87, 112, 116, 168, 174, 203, 232, 336, 348, 406, 464, 609, 696, 812, 1218, 1392, 1624, 2129, 2436, 3248, 4258, 4872, 6387, 8516, 9744, 12774, 14903, 17032, 25548, 29806, 34064, 44709, 51096, 59612, 61741, 89418, 102192, 119224, 123482, 178836, 185223, 238448, 246964, 357672, 370446, 432187, 493928, 715344, 740892, 864374, 987856, 1296561, 1481784, 1728748, 2593122, 2963568, 3457496, 5186244, 6914992, 10372488, 20744976]

約数ペア:

[(1, 20744976), (2, 10372488), (3, 6914992), (4, 5186244), (6, 3457496), (7, 2963568), (8, 2593122), (12, 1728748), (14, 1481784), (16, 1296561), (21, 987856), (24, 864374), (28, 740892), (29, 715344), (42, 493928), (48, 432187), (56, 370446), (58, 357672), (84, 246964), (87, 238448), (112, 185223), (116, 178836), (168, 123482), (174, 119224), (203, 102192), (232, 89418), (336, 61741), (348, 59612), (406, 51096), (464, 44709), (609, 34064), (696, 29806), (812, 25548), (1218, 17032), (1392, 14903), (1624, 12774), (2129, 9744), (2436, 8516), (3248, 6387), (4258, 4872)]