20584780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35491}}^1$

素因数の和:35529

約数の個数: 24

約数和(自身を含む): 44719920

約数和(自身を除く): 24135140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35491, 70982, 141964, 177455, 354910, 709820, 1029239, 2058478, 4116956, 5146195, 10292390, 20584780]

約数ペア:

[(1, 20584780), (2, 10292390), (4, 5146195), (5, 4116956), (10, 2058478), (20, 1029239), (29, 709820), (58, 354910), (116, 177455), (145, 141964), (290, 70982), (580, 35491)]