20890272

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:926

約数の個数: 96

約数和(自身を含む): 62233920

約数和(自身を除く): 41343648

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 76, 78, 96, 104, 114, 152, 156, 208, 228, 247, 304, 312, 416, 456, 494, 608, 624, 741, 881, 912, 988, 1248, 1482, 1762, 1824, 1976, 2643, 2964, 3524, 3952, 5286, 5928, 7048, 7904, 10572, 11453, 11856, 14096, 16739, 21144, 22906, 23712, 28192, 33478, 34359, 42288, 45812, 50217, 66956, 68718, 84576, 91624, 100434, 133912, 137436, 183248, 200868, 217607, 267824, 274872, 366496, 401736, 435214, 535648, 549744, 652821, 803472, 870428, 1099488, 1305642, 1606944, 1740856, 2611284, 3481712, 5222568, 6963424, 10445136, 20890272]

約数ペア:

[(1, 20890272), (2, 10445136), (3, 6963424), (4, 5222568), (6, 3481712), (8, 2611284), (12, 1740856), (13, 1606944), (16, 1305642), (19, 1099488), (24, 870428), (26, 803472), (32, 652821), (38, 549744), (39, 535648), (48, 435214), (52, 401736), (57, 366496), (76, 274872), (78, 267824), (96, 217607), (104, 200868), (114, 183248), (152, 137436), (156, 133912), (208, 100434), (228, 91624), (247, 84576), (304, 68718), (312, 66956), (416, 50217), (456, 45812), (494, 42288), (608, 34359), (624, 33478), (741, 28192), (881, 23712), (912, 22906), (988, 21144), (1248, 16739), (1482, 14096), (1762, 11856), (1824, 11453), (1976, 10572), (2643, 7904), (2964, 7048), (3524, 5928), (3952, 5286)]