20407740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{340129}}^1$

素因数の和:340141

約数の個数: 24

約数和(自身を含む): 57141840

約数和(自身を除く): 36734100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 340129, 680258, 1020387, 1360516, 1700645, 2040774, 3401290, 4081548, 5101935, 6802580, 10203870, 20407740]

約数ペア:

[(1, 20407740), (2, 10203870), (3, 6802580), (4, 5101935), (5, 4081548), (6, 3401290), (10, 2040774), (12, 1700645), (15, 1360516), (20, 1020387), (30, 680258), (60, 340129)]