2000918405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1\times {\mathrm{1031}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 2615500800

約数和(自身を除く): 614582395

約数列:

[1, 5, 19, 31, 95, 155, 589, 659, 1031, 2945, 3295, 5155, 12521, 19589, 20429, 31961, 62605, 97945, 102145, 159805, 388151, 607259, 679429, 1940755, 3036295, 3397145, 12909151, 21062299, 64545755, 105311495, 400183681, 2000918405]

約数ペア:

[(1, 2000918405), (5, 400183681), (19, 105311495), (31, 64545755), (95, 21062299), (155, 12909151), (589, 3397145), (659, 3036295), (1031, 1940755), (2945, 679429), (3295, 607259), (5155, 388151), (12521, 159805), (19589, 102145), (20429, 97945), (31961, 62605)]