20907406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{2903}}^1$

素因数の和:3195

約数の個数: 16

約数和(自身を含む): 33907104

約数和(自身を除く): 12999698

約数列:

[1, 2, 13, 26, 277, 554, 2903, 3601, 5806, 7202, 37739, 75478, 804131, 1608262, 10453703, 20907406]

約数ペア:

[(1, 20907406), (2, 10453703), (13, 1608262), (26, 804131), (277, 75478), (554, 37739), (2903, 7202), (3601, 5806)]