20878410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{2029}}^1$

素因数の和:2060

約数の個数: 64

約数和(自身を含む): 58464000

約数和(自身を除く): 37585590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 2029, 2058, 3430, 4058, 5145, 6087, 10145, 10290, 12174, 14203, 20290, 28406, 30435, 42609, 60870, 71015, 85218, 99421, 142030, 198842, 213045, 298263, 426090, 497105, 596526, 695947, 994210, 1391894, 1491315, 2087841, 2982630, 3479735, 4175682, 6959470, 10439205, 20878410]

約数ペア:

[(1, 20878410), (2, 10439205), (3, 6959470), (5, 4175682), (6, 3479735), (7, 2982630), (10, 2087841), (14, 1491315), (15, 1391894), (21, 994210), (30, 695947), (35, 596526), (42, 497105), (49, 426090), (70, 298263), (98, 213045), (105, 198842), (147, 142030), (210, 99421), (245, 85218), (294, 71015), (343, 60870), (490, 42609), (686, 30435), (735, 28406), (1029, 20290), (1470, 14203), (1715, 12174), (2029, 10290), (2058, 10145), (3430, 6087), (4058, 5145)]