20319.0000000

素因数分解:

$2^1\times 3^2\times {\mathrm{619}}^1\times {\mathrm{701}}^1$

素因数の和:1328

約数の個数: 24

約数和(自身を含む): 16974360

約数和(自身を除く): 9163818

約数列:

[1, 2, 3, 6, 9, 18, 619, 701, 1238, 1402, 1857, 2103, 3714, 4206, 5571, 6309, 11142, 12618, 433919, 867838, 1301757, 2603514, 3905271, 7810542]

約数ペア:

[(1, 7810542), (2, 3905271), (3, 2603514), (6, 1301757), (9, 867838), (18, 433919), (619, 12618), (701, 11142), (1238, 6309), (1402, 5571), (1857, 4206), (2103, 3714)]