20808072729

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{1019}}^1\times {\mathrm{55339}}^1$

素因数の和:56405

約数の個数: 24

約数和(自身を含む): 30819952800

約数和(自身を除く): 10011880071

約数列:

[1, 3, 9, 41, 123, 369, 1019, 3057, 9171, 41779, 55339, 125337, 166017, 376011, 498051, 2268899, 6806697, 20420091, 56390441, 169171323, 507513969, 2312008081, 6936024243, 20808072729]

約数ペア:

[(1, 20808072729), (3, 6936024243), (9, 2312008081), (41, 507513969), (123, 169171323), (369, 56390441), (1019, 20420091), (3057, 6806697), (9171, 2268899), (41779, 498051), (55339, 376011), (125337, 166017)]