20793472

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1009}}^1$

素因数の和:1053

約数の個数: 64

約数和(自身を含む): 49449600

約数和(自身を除く): 28656128

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 322, 368, 448, 644, 736, 896, 1009, 1288, 1472, 2018, 2576, 2944, 4036, 5152, 7063, 8072, 10304, 14126, 16144, 20608, 23207, 28252, 32288, 46414, 56504, 64576, 92828, 113008, 129152, 162449, 185656, 226016, 324898, 371312, 452032, 649796, 742624, 904064, 1299592, 1485248, 2599184, 2970496, 5198368, 10396736, 20793472]

約数ペア:

[(1, 20793472), (2, 10396736), (4, 5198368), (7, 2970496), (8, 2599184), (14, 1485248), (16, 1299592), (23, 904064), (28, 742624), (32, 649796), (46, 452032), (56, 371312), (64, 324898), (92, 226016), (112, 185656), (128, 162449), (161, 129152), (184, 113008), (224, 92828), (322, 64576), (368, 56504), (448, 46414), (644, 32288), (736, 28252), (896, 23207), (1009, 20608), (1288, 16144), (1472, 14126), (2018, 10304), (2576, 8072), (2944, 7063), (4036, 5152)]