20199805087

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2963}}^1$

素因数の和:3124

約数の個数: 64

約数和(自身を含む): 27043061760

約数和(自身を除く): 6843256673

約数列:

[1, 7, 11, 29, 43, 71, 77, 203, 301, 319, 473, 497, 781, 1247, 2059, 2233, 2963, 3053, 3311, 5467, 8729, 13717, 14413, 20741, 21371, 22649, 32593, 33583, 85927, 88537, 96019, 127409, 158543, 210373, 228151, 235081, 601489, 619759, 891863, 945197, 973907, 1401499, 1472611, 2314103, 3694861, 6100817, 6616379, 6817349, 9046039, 9810493, 16198721, 25864027, 40643471, 42705719, 63322273, 67108987, 99506429, 262335131, 284504297, 469762909, 696545003, 1836345917, 2885686441, 20199805087]

約数ペア:

[(1, 20199805087), (7, 2885686441), (11, 1836345917), (29, 696545003), (43, 469762909), (71, 284504297), (77, 262335131), (203, 99506429), (301, 67108987), (319, 63322273), (473, 42705719), (497, 40643471), (781, 25864027), (1247, 16198721), (2059, 9810493), (2233, 9046039), (2963, 6817349), (3053, 6616379), (3311, 6100817), (5467, 3694861), (8729, 2314103), (13717, 1472611), (14413, 1401499), (20741, 973907), (21371, 945197), (22649, 891863), (32593, 619759), (33583, 601489), (85927, 235081), (88537, 228151), (96019, 210373), (127409, 158543)]