20804513457

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1693}}^1\times {\mathrm{45013}}^1$

素因数の和:46729

約数の個数: 32

約数和(自身を含む): 34161664768

約数和(自身を除く): 13357151311

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1693, 5079, 11851, 22009, 35553, 45013, 66027, 135039, 154063, 315091, 462189, 585169, 945273, 1755507, 4096183, 12288549, 76207009, 228621027, 533449063, 990691117, 1600347189, 2972073351, 6934837819, 20804513457]

約数ペア:

[(1, 20804513457), (3, 6934837819), (7, 2972073351), (13, 1600347189), (21, 990691117), (39, 533449063), (91, 228621027), (273, 76207009), (1693, 12288549), (5079, 4096183), (11851, 1755507), (22009, 945273), (35553, 585169), (45013, 462189), (66027, 315091), (135039, 154063)]