20416580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35201}}^1$

素因数の和:35239

約数の個数: 24

約数和(自身を含む): 44354520

約数和(自身を除く): 23937940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35201, 70402, 140804, 176005, 352010, 704020, 1020829, 2041658, 4083316, 5104145, 10208290, 20416580]

約数ペア:

[(1, 20416580), (2, 10208290), (4, 5104145), (5, 4083316), (10, 2041658), (20, 1020829), (29, 704020), (58, 352010), (116, 176005), (145, 140804), (290, 70402), (580, 35201)]