20780706

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{48781}}^1$

素因数の和:48857

約数の個数: 16

約数和(自身を含む): 42147648

約数和(自身を除く): 21366942

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 48781, 97562, 146343, 292686, 3463451, 6926902, 10390353, 20780706]

約数ペア:

[(1, 20780706), (2, 10390353), (3, 6926902), (6, 3463451), (71, 292686), (142, 146343), (213, 97562), (426, 48781)]