20176483185

素因数分解:

$3^5\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{7621}}^1$

素因数の和:9820

約数の個数: 48

約数和(自身を含む): 36289256640

約数和(自身を除く): 16112773455

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 2179, 6537, 7621, 10895, 19611, 22863, 32685, 38105, 58833, 68589, 98055, 114315, 176499, 205767, 294165, 342945, 529497, 617301, 882495, 1028835, 1851903, 2647485, 3086505, 9259515, 16606159, 49818477, 83030795, 149455431, 249092385, 448366293, 747277155, 1345098879, 2241831465, 4035296637, 6725494395, 20176483185]

約数ペア:

[(1, 20176483185), (3, 6725494395), (5, 4035296637), (9, 2241831465), (15, 1345098879), (27, 747277155), (45, 448366293), (81, 249092385), (135, 149455431), (243, 83030795), (405, 49818477), (1215, 16606159), (2179, 9259515), (6537, 3086505), (7621, 2647485), (10895, 1851903), (19611, 1028835), (22863, 882495), (32685, 617301), (38105, 529497), (58833, 342945), (68589, 294165), (98055, 205767), (114315, 176499)]