20115668912

素因数分解:

$2^4\times {\mathrm{4639}}^1\times {\mathrm{271013}}^1$

素因数の和:275660

約数の個数: 20

約数和(自身を含む): 38982653760

約数和(自身を除く): 18866984848

約数列:

[1, 2, 4, 8, 16, 4639, 9278, 18556, 37112, 74224, 271013, 542026, 1084052, 2168104, 4336208, 1257229307, 2514458614, 5028917228, 10057834456, 20115668912]

約数ペア:

[(1, 20115668912), (2, 10057834456), (4, 5028917228), (8, 2514458614), (16, 1257229307), (4639, 4336208), (9278, 2168104), (18556, 1084052), (37112, 542026), (74224, 271013)]