20329478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{10711}}^1$

素因数の和:10799

約数の個数: 16

約数和(自身を含む): 33292896

約数和(自身を除く): 12963418

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 10711, 21422, 139243, 278486, 781903, 1563806, 10164739, 20329478]

約数ペア:

[(1, 20329478), (2, 10164739), (13, 1563806), (26, 781903), (73, 278486), (146, 139243), (949, 21422), (1898, 10711)]