20216268

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{4099}}^1$

素因数の和:4246

約数の個数: 36

約数和(自身を含む): 51487800

約数和(自身を除く): 31271532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 548, 822, 1233, 1644, 2466, 4099, 4932, 8198, 12297, 16396, 24594, 36891, 49188, 73782, 147564, 561563, 1123126, 1684689, 2246252, 3369378, 5054067, 6738756, 10108134, 20216268]

約数ペア:

[(1, 20216268), (2, 10108134), (3, 6738756), (4, 5054067), (6, 3369378), (9, 2246252), (12, 1684689), (18, 1123126), (36, 561563), (137, 147564), (274, 73782), (411, 49188), (548, 36891), (822, 24594), (1233, 16396), (1644, 12297), (2466, 8198), (4099, 4932)]