20320293

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42071}}^1$

素因数の和:42104

約数の個数: 16

約数和(自身を含む): 32311296

約数和(自身を除く): 11991003

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 42071, 126213, 294497, 883491, 967633, 2902899, 6773431, 20320293]

約数ペア:

[(1, 20320293), (3, 6773431), (7, 2902899), (21, 967633), (23, 883491), (69, 294497), (161, 126213), (483, 42071)]