20177899728

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{1225577}}^1$

素因数の和:1225609

約数の個数: 80

約数和(自身を含む): 60788668800

約数和(自身を除く): 40610769072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 343, 392, 588, 686, 784, 1029, 1176, 1372, 2058, 2352, 2744, 4116, 5488, 8232, 16464, 1225577, 2451154, 3676731, 4902308, 7353462, 8579039, 9804616, 14706924, 17158078, 19609232, 25737117, 29413848, 34316156, 51474234, 58827696, 60053273, 68632312, 102948468, 120106546, 137264624, 180159819, 205896936, 240213092, 360319638, 411793872, 420372911, 480426184, 720639276, 840745822, 960852368, 1261118733, 1441278552, 1681491644, 2522237466, 2882557104, 3362983288, 5044474932, 6725966576, 10088949864, 20177899728]

約数ペア:

[(1, 20177899728), (2, 10088949864), (3, 6725966576), (4, 5044474932), (6, 3362983288), (7, 2882557104), (8, 2522237466), (12, 1681491644), (14, 1441278552), (16, 1261118733), (21, 960852368), (24, 840745822), (28, 720639276), (42, 480426184), (48, 420372911), (49, 411793872), (56, 360319638), (84, 240213092), (98, 205896936), (112, 180159819), (147, 137264624), (168, 120106546), (196, 102948468), (294, 68632312), (336, 60053273), (343, 58827696), (392, 51474234), (588, 34316156), (686, 29413848), (784, 25737117), (1029, 19609232), (1176, 17158078), (1372, 14706924), (2058, 9804616), (2352, 8579039), (2744, 7353462), (4116, 4902308), (5488, 3676731), (8232, 2451154), (16464, 1225577)]