20658776

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{135913}}^1$

素因数の和:135938

約数の個数: 16

約数和(自身を含む): 40774200

約数和(自身を除く): 20115424

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 135913, 271826, 543652, 1087304, 2582347, 5164694, 10329388, 20658776]

約数ペア:

[(1, 20658776), (2, 10329388), (4, 5164694), (8, 2582347), (19, 1087304), (38, 543652), (76, 271826), (152, 135913)]