20002642079

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1\times {\mathrm{3011}}^1$

素因数の和:3431

約数の個数: 32

約数和(自身を含む): 23802992640

約数和(自身を除く): 3800350561

約数列:

[1, 7, 41, 79, 287, 293, 553, 2051, 3011, 3239, 12013, 21077, 22673, 23147, 84091, 123451, 162029, 237869, 864157, 882223, 949027, 1665083, 6175561, 6643189, 9752629, 36171143, 68268403, 69695617, 253198001, 487869319, 2857520297, 20002642079]

約数ペア:

[(1, 20002642079), (7, 2857520297), (41, 487869319), (79, 253198001), (287, 69695617), (293, 68268403), (553, 36171143), (2051, 9752629), (3011, 6643189), (3239, 6175561), (12013, 1665083), (21077, 949027), (22673, 882223), (23147, 864157), (84091, 237869), (123451, 162029)]