20716954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{1753}}^1$

素因数の和:2085

約数の個数: 16

約数和(自身を含む): 32834880

約数和(自身を除く): 12117926

約数列:

[1, 2, 19, 38, 311, 622, 1753, 3506, 5909, 11818, 33307, 66614, 545183, 1090366, 10358477, 20716954]

約数ペア:

[(1, 20716954), (2, 10358477), (19, 1090366), (38, 545183), (311, 66614), (622, 33307), (1753, 11818), (3506, 5909)]