20189020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53129}}^1$

素因数の和:53157

約数の個数: 24

約数和(自身を含む): 44629200

約数和(自身を除く): 24440180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53129, 106258, 212516, 265645, 531290, 1009451, 1062580, 2018902, 4037804, 5047255, 10094510, 20189020]

約数ペア:

[(1, 20189020), (2, 10094510), (4, 5047255), (5, 4037804), (10, 2018902), (19, 1062580), (20, 1009451), (38, 531290), (76, 265645), (95, 212516), (190, 106258), (380, 53129)]