20403526

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71341}}^1$

素因数の和:71367

約数の個数: 16

約数和(自身を含む): 35956368

約数和(自身を除く): 15552842

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71341, 142682, 784751, 927433, 1569502, 1854866, 10201763, 20403526]

約数ペア:

[(1, 20403526), (2, 10201763), (11, 1854866), (13, 1569502), (22, 927433), (26, 784751), (143, 142682), (286, 71341)]