20207020

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2753}}^1$

素因数の和:3129

約数の個数: 24

約数和(自身を含む): 42565824

約数和(自身を除く): 22358804

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 2753, 3670, 5506, 7340, 11012, 13765, 27530, 55060, 1010351, 2020702, 4041404, 5051755, 10103510, 20207020]

約数ペア:

[(1, 20207020), (2, 10103510), (4, 5051755), (5, 4041404), (10, 2020702), (20, 1010351), (367, 55060), (734, 27530), (1468, 13765), (1835, 11012), (2753, 7340), (3670, 5506)]