20620694

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{3863}}^1$

素因数の和:4039

約数の個数: 16

約数和(自身を含む): 32967648

約数和(自身を除く): 12346954

約数列:

[1, 2, 17, 34, 157, 314, 2669, 3863, 5338, 7726, 65671, 131342, 606491, 1212982, 10310347, 20620694]

約数ペア:

[(1, 20620694), (2, 10310347), (17, 1212982), (34, 606491), (157, 131342), (314, 65671), (2669, 7726), (3863, 5338)]