20587018711

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{9770773}}^1$

素因数の和:9770830

約数の個数: 12

約数和(自身を含む): 24505101192

約数和(自身を除く): 3918082481

約数列:

[1, 7, 43, 49, 301, 2107, 9770773, 68395411, 420143239, 478767877, 2941002673, 20587018711]

約数ペア:

[(1, 20587018711), (7, 2941002673), (43, 478767877), (49, 420143239), (301, 68395411), (2107, 9770773)]