20292992

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 43256160

約数和(自身を除く): 22963168

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 61, 64, 92, 113, 122, 128, 184, 226, 244, 368, 452, 488, 736, 904, 976, 1403, 1472, 1808, 1952, 2599, 2806, 2944, 3616, 3904, 5198, 5612, 6893, 7232, 7808, 10396, 11224, 13786, 14464, 20792, 22448, 27572, 41584, 44896, 55144, 83168, 89792, 110288, 158539, 166336, 179584, 220576, 317078, 332672, 441152, 634156, 882304, 1268312, 2536624, 5073248, 10146496, 20292992]

約数ペア:

[(1, 20292992), (2, 10146496), (4, 5073248), (8, 2536624), (16, 1268312), (23, 882304), (32, 634156), (46, 441152), (61, 332672), (64, 317078), (92, 220576), (113, 179584), (122, 166336), (128, 158539), (184, 110288), (226, 89792), (244, 83168), (368, 55144), (452, 44896), (488, 41584), (736, 27572), (904, 22448), (976, 20792), (1403, 14464), (1472, 13786), (1808, 11224), (1952, 10396), (2599, 7808), (2806, 7232), (2944, 6893), (3616, 5612), (3904, 5198)]