20782041

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2531}}^1$

素因数の和:2581

約数の個数: 32

約数和(自身を含む): 35002368

約数和(自身を除く): 14220327

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 119, 161, 357, 391, 483, 1173, 2531, 2737, 7593, 8211, 17717, 43027, 53151, 58213, 129081, 174639, 301189, 407491, 903567, 989621, 1222473, 2968863, 6927347, 20782041]

約数ペア:

[(1, 20782041), (3, 6927347), (7, 2968863), (17, 1222473), (21, 989621), (23, 903567), (51, 407491), (69, 301189), (119, 174639), (161, 129081), (357, 58213), (391, 53151), (483, 43027), (1173, 17717), (2531, 8211), (2737, 7593)]