20674100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{7129}}^1$

素因数の和:7172

約数の個数: 36

約数和(自身を含む): 46416300

約数和(自身を除く): 25742200

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 7129, 14258, 28516, 35645, 71290, 142580, 178225, 206741, 356450, 413482, 712900, 826964, 1033705, 2067410, 4134820, 5168525, 10337050, 20674100]

約数ペア:

[(1, 20674100), (2, 10337050), (4, 5168525), (5, 4134820), (10, 2067410), (20, 1033705), (25, 826964), (29, 712900), (50, 413482), (58, 356450), (100, 206741), (116, 178225), (145, 142580), (290, 71290), (580, 35645), (725, 28516), (1450, 14258), (2900, 7129)]