20937544

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 44323200

約数和(自身を除く): 23385656

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 53, 76, 92, 106, 113, 152, 184, 212, 226, 424, 437, 452, 874, 904, 1007, 1219, 1748, 2014, 2147, 2438, 2599, 3496, 4028, 4294, 4876, 5198, 5989, 8056, 8588, 9752, 10396, 11978, 17176, 20792, 23161, 23956, 46322, 47912, 49381, 92644, 98762, 113791, 137747, 185288, 197524, 227582, 275494, 395048, 455164, 550988, 910328, 1101976, 2617193, 5234386, 10468772, 20937544]

約数ペア:

[(1, 20937544), (2, 10468772), (4, 5234386), (8, 2617193), (19, 1101976), (23, 910328), (38, 550988), (46, 455164), (53, 395048), (76, 275494), (92, 227582), (106, 197524), (113, 185288), (152, 137747), (184, 113791), (212, 98762), (226, 92644), (424, 49381), (437, 47912), (452, 46322), (874, 23956), (904, 23161), (1007, 20792), (1219, 17176), (1748, 11978), (2014, 10396), (2147, 9752), (2438, 8588), (2599, 8056), (3496, 5989), (4028, 5198), (4294, 4876)]