20201657574

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{21493}}^1$

素因数の和:21674

約数の個数: 96

約数和(自身を含む): 49398370560

約数和(自身を除く): 29196712986

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 49, 69, 98, 138, 139, 147, 161, 278, 294, 322, 417, 483, 834, 966, 973, 1127, 1946, 2254, 2919, 3197, 3381, 5838, 6394, 6762, 6811, 9591, 13622, 19182, 20433, 21493, 22379, 40866, 42986, 44758, 64479, 67137, 128958, 134274, 150451, 156653, 300902, 313306, 451353, 469959, 494339, 902706, 939918, 988678, 1053157, 1483017, 2106314, 2966034, 2987527, 3159471, 3460373, 5975054, 6318942, 6920746, 8962581, 10381119, 17925162, 20762238, 20912689, 24222611, 41825378, 48445222, 62738067, 68713121, 72667833, 125476134, 137426242, 145335666, 146388823, 206139363, 292777646, 412278726, 439166469, 480991847, 878332938, 961983694, 1442975541, 2885951082, 3366942929, 6733885858, 10100828787, 20201657574]

約数ペア:

[(1, 20201657574), (2, 10100828787), (3, 6733885858), (6, 3366942929), (7, 2885951082), (14, 1442975541), (21, 961983694), (23, 878332938), (42, 480991847), (46, 439166469), (49, 412278726), (69, 292777646), (98, 206139363), (138, 146388823), (139, 145335666), (147, 137426242), (161, 125476134), (278, 72667833), (294, 68713121), (322, 62738067), (417, 48445222), (483, 41825378), (834, 24222611), (966, 20912689), (973, 20762238), (1127, 17925162), (1946, 10381119), (2254, 8962581), (2919, 6920746), (3197, 6318942), (3381, 5975054), (5838, 3460373), (6394, 3159471), (6762, 2987527), (6811, 2966034), (9591, 2106314), (13622, 1483017), (19182, 1053157), (20433, 988678), (21493, 939918), (22379, 902706), (40866, 494339), (42986, 469959), (44758, 451353), (64479, 313306), (67137, 300902), (128958, 156653), (134274, 150451)]