20813792

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{9161}}^1$

素因数の和:9242

約数の個数: 24

約数和(自身を含む): 41558832

約数和(自身を除く): 20745040

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 9161, 18322, 36644, 73288, 146576, 293152, 650431, 1300862, 2601724, 5203448, 10406896, 20813792]

約数ペア:

[(1, 20813792), (2, 10406896), (4, 5203448), (8, 2601724), (16, 1300862), (32, 650431), (71, 293152), (142, 146576), (284, 73288), (568, 36644), (1136, 18322), (2272, 9161)]