20869269

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1\times {\mathrm{523}}^1$

素因数の和:856

約数の個数: 16

約数和(自身を含む): 28572672

約数和(自身を除く): 7703403

約数列:

[1, 3, 47, 141, 283, 523, 849, 1569, 13301, 24581, 39903, 73743, 148009, 444027, 6956423, 20869269]

約数ペア:

[(1, 20869269), (3, 6956423), (47, 444027), (141, 148009), (283, 73743), (523, 39903), (849, 24581), (1569, 13301)]