20658312

素因数分解:

$2^3\times 3^2\times {\mathrm{479}}^1\times {\mathrm{599}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 56160000

約数和(自身を除く): 35501688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 479, 599, 958, 1198, 1437, 1797, 1916, 2396, 2874, 3594, 3832, 4311, 4792, 5391, 5748, 7188, 8622, 10782, 11496, 14376, 17244, 21564, 34488, 43128, 286921, 573842, 860763, 1147684, 1721526, 2295368, 2582289, 3443052, 5164578, 6886104, 10329156, 20658312]

約数ペア:

[(1, 20658312), (2, 10329156), (3, 6886104), (4, 5164578), (6, 3443052), (8, 2582289), (9, 2295368), (12, 1721526), (18, 1147684), (24, 860763), (36, 573842), (72, 286921), (479, 43128), (599, 34488), (958, 21564), (1198, 17244), (1437, 14376), (1797, 11496), (1916, 10782), (2396, 8622), (2874, 7188), (3594, 5748), (3832, 5391), (4311, 4792)]