20471472

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{883}}^1$

素因数の和:927

約数の個数: 120

約数和(自身を含む): 68400384

約数和(自身を除く): 47928912

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 36, 42, 46, 48, 56, 63, 69, 72, 84, 92, 112, 126, 138, 144, 161, 168, 184, 207, 252, 276, 322, 336, 368, 414, 483, 504, 552, 644, 828, 883, 966, 1008, 1104, 1288, 1449, 1656, 1766, 1932, 2576, 2649, 2898, 3312, 3532, 3864, 5298, 5796, 6181, 7064, 7728, 7947, 10596, 11592, 12362, 14128, 15894, 18543, 20309, 21192, 23184, 24724, 31788, 37086, 40618, 42384, 49448, 55629, 60927, 63576, 74172, 81236, 98896, 111258, 121854, 127152, 142163, 148344, 162472, 182781, 222516, 243708, 284326, 296688, 324944, 365562, 426489, 445032, 487416, 568652, 731124, 852978, 890064, 974832, 1137304, 1279467, 1462248, 1705956, 2274608, 2558934, 2924496, 3411912, 5117868, 6823824, 10235736, 20471472]

約数ペア:

[(1, 20471472), (2, 10235736), (3, 6823824), (4, 5117868), (6, 3411912), (7, 2924496), (8, 2558934), (9, 2274608), (12, 1705956), (14, 1462248), (16, 1279467), (18, 1137304), (21, 974832), (23, 890064), (24, 852978), (28, 731124), (36, 568652), (42, 487416), (46, 445032), (48, 426489), (56, 365562), (63, 324944), (69, 296688), (72, 284326), (84, 243708), (92, 222516), (112, 182781), (126, 162472), (138, 148344), (144, 142163), (161, 127152), (168, 121854), (184, 111258), (207, 98896), (252, 81236), (276, 74172), (322, 63576), (336, 60927), (368, 55629), (414, 49448), (483, 42384), (504, 40618), (552, 37086), (644, 31788), (828, 24724), (883, 23184), (966, 21192), (1008, 20309), (1104, 18543), (1288, 15894), (1449, 14128), (1656, 12362), (1766, 11592), (1932, 10596), (2576, 7947), (2649, 7728), (2898, 7064), (3312, 6181), (3532, 5796), (3864, 5298)]