20205122464

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{2789}}^1$

素因数の和:3006

約数の個数: 96

約数和(自身を含む): 42072307200

約数和(自身を除く): 21867184736

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 67, 109, 124, 134, 218, 248, 268, 436, 496, 536, 872, 992, 1072, 1744, 2077, 2144, 2789, 3379, 3488, 4154, 5578, 6758, 7303, 8308, 11156, 13516, 14606, 16616, 22312, 27032, 29212, 33232, 44624, 54064, 58424, 66464, 86459, 89248, 108128, 116848, 172918, 186863, 226393, 233696, 304001, 345836, 373726, 452786, 608002, 691672, 747452, 905572, 1216004, 1383344, 1494904, 1811144, 2432008, 2766688, 2989808, 3622288, 4864016, 5792753, 5979616, 7244576, 9424031, 9728032, 11585506, 18848062, 20368067, 23171012, 37696124, 40736134, 46342024, 75392248, 81472268, 92684048, 150784496, 162944536, 185368096, 301568992, 325889072, 631410077, 651778144, 1262820154, 2525640308, 5051280616, 10102561232, 20205122464]

約数ペア:

[(1, 20205122464), (2, 10102561232), (4, 5051280616), (8, 2525640308), (16, 1262820154), (31, 651778144), (32, 631410077), (62, 325889072), (67, 301568992), (109, 185368096), (124, 162944536), (134, 150784496), (218, 92684048), (248, 81472268), (268, 75392248), (436, 46342024), (496, 40736134), (536, 37696124), (872, 23171012), (992, 20368067), (1072, 18848062), (1744, 11585506), (2077, 9728032), (2144, 9424031), (2789, 7244576), (3379, 5979616), (3488, 5792753), (4154, 4864016), (5578, 3622288), (6758, 2989808), (7303, 2766688), (8308, 2432008), (11156, 1811144), (13516, 1494904), (14606, 1383344), (16616, 1216004), (22312, 905572), (27032, 747452), (29212, 691672), (33232, 608002), (44624, 452786), (54064, 373726), (58424, 345836), (66464, 304001), (86459, 233696), (89248, 226393), (108128, 186863), (116848, 172918)]