20189537504

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{4021}}^1$

素因数の和:4204

約数の個数: 96

約数和(自身を含む): 42143159520

約数和(自身を除く): 21953622016

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 82, 86, 89, 164, 172, 178, 328, 344, 356, 656, 688, 712, 1312, 1376, 1424, 1763, 2848, 3526, 3649, 3827, 4021, 7052, 7298, 7654, 8042, 14104, 14596, 15308, 16084, 28208, 29192, 30616, 32168, 56416, 58384, 61232, 64336, 116768, 122464, 128672, 156907, 164861, 172903, 313814, 329722, 345806, 357869, 627628, 659444, 691612, 715738, 1255256, 1318888, 1383224, 1431476, 2510512, 2637776, 2766448, 2862952, 5021024, 5275552, 5532896, 5725904, 7089023, 11451808, 14178046, 14672629, 15388367, 28356092, 29345258, 30776734, 56712184, 58690516, 61553468, 113424368, 117381032, 123106936, 226848736, 234762064, 246213872, 469524128, 492427744, 630923047, 1261846094, 2523692188, 5047384376, 10094768752, 20189537504]

約数ペア:

[(1, 20189537504), (2, 10094768752), (4, 5047384376), (8, 2523692188), (16, 1261846094), (32, 630923047), (41, 492427744), (43, 469524128), (82, 246213872), (86, 234762064), (89, 226848736), (164, 123106936), (172, 117381032), (178, 113424368), (328, 61553468), (344, 58690516), (356, 56712184), (656, 30776734), (688, 29345258), (712, 28356092), (1312, 15388367), (1376, 14672629), (1424, 14178046), (1763, 11451808), (2848, 7089023), (3526, 5725904), (3649, 5532896), (3827, 5275552), (4021, 5021024), (7052, 2862952), (7298, 2766448), (7654, 2637776), (8042, 2510512), (14104, 1431476), (14596, 1383224), (15308, 1318888), (16084, 1255256), (28208, 715738), (29192, 691612), (30616, 659444), (32168, 627628), (56416, 357869), (58384, 345806), (61232, 329722), (64336, 313814), (116768, 172903), (122464, 164861), (128672, 156907)]