20704536

素因数分解:

$2^3\times 3^2\times {\mathrm{137}}^1\times {\mathrm{2099}}^1$

素因数の和:2248

約数の個数: 48

約数和(自身を含む): 56511000

約数和(自身を除く): 35806464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 137, 274, 411, 548, 822, 1096, 1233, 1644, 2099, 2466, 3288, 4198, 4932, 6297, 8396, 9864, 12594, 16792, 18891, 25188, 37782, 50376, 75564, 151128, 287563, 575126, 862689, 1150252, 1725378, 2300504, 2588067, 3450756, 5176134, 6901512, 10352268, 20704536]

約数ペア:

[(1, 20704536), (2, 10352268), (3, 6901512), (4, 5176134), (6, 3450756), (8, 2588067), (9, 2300504), (12, 1725378), (18, 1150252), (24, 862689), (36, 575126), (72, 287563), (137, 151128), (274, 75564), (411, 50376), (548, 37782), (822, 25188), (1096, 18891), (1233, 16792), (1644, 12594), (2099, 9864), (2466, 8396), (3288, 6297), (4198, 4932)]