20581316

素因数分解:

$2^2\times 7^1\times {\mathrm{757}}^1\times {\mathrm{971}}^1$

素因数の和:1739

約数の個数: 24

約数和(自身を含む): 41259456

約数和(自身を除く): 20678140

約数列:

[1, 2, 4, 7, 14, 28, 757, 971, 1514, 1942, 3028, 3884, 5299, 6797, 10598, 13594, 21196, 27188, 735047, 1470094, 2940188, 5145329, 10290658, 20581316]

約数ペア:

[(1, 20581316), (2, 10290658), (4, 5145329), (7, 2940188), (14, 1470094), (28, 735047), (757, 27188), (971, 21196), (1514, 13594), (1942, 10598), (3028, 6797), (3884, 5299)]