20197768087

素因数分解:

$7^1\times {\mathrm{389}}^1\times {\mathrm{971}}^1\times {\mathrm{7639}}^1$

素因数の和:9006

約数の個数: 16

約数和(自身を含む): 23169369600

約数和(自身を除く): 2971601513

約数列:

[1, 7, 389, 971, 2723, 6797, 7639, 53473, 377719, 2644033, 2971571, 7417469, 20800997, 51922283, 2885395441, 20197768087]

約数ペア:

[(1, 20197768087), (7, 2885395441), (389, 51922283), (971, 20800997), (2723, 7417469), (6797, 2971571), (7639, 2644033), (53473, 377719)]