20826412

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1291}}^1$

素因数の和:1441

約数の個数: 24

約数和(自身を含む): 37803920

約数和(自身を除く): 16977508

約数列:

[1, 2, 4, 37, 74, 109, 148, 218, 436, 1291, 2582, 4033, 5164, 8066, 16132, 47767, 95534, 140719, 191068, 281438, 562876, 5206603, 10413206, 20826412]

約数ペア:

[(1, 20826412), (2, 10413206), (4, 5206603), (37, 562876), (74, 281438), (109, 191068), (148, 140719), (218, 95534), (436, 47767), (1291, 16132), (2582, 8066), (4033, 5164)]