20954573642

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^2$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 33385309272

約数和(自身を除く): 12430735630

約数列:

[1, 2, 41, 53, 73, 82, 106, 146, 257, 514, 2173, 2993, 3869, 4346, 5986, 7738, 10537, 13621, 18761, 21074, 27242, 37522, 66049, 132098, 158629, 317258, 558461, 769201, 994333, 1116922, 1538402, 1988666, 2708009, 3500597, 4821577, 5416018, 7001194, 9643154, 40767653, 81535306, 143524477, 197684657, 255543581, 287048954, 395369314, 511087162, 10477286821, 20954573642]

約数ペア:

[(1, 20954573642), (2, 10477286821), (41, 511087162), (53, 395369314), (73, 287048954), (82, 255543581), (106, 197684657), (146, 143524477), (257, 81535306), (514, 40767653), (2173, 9643154), (2993, 7001194), (3869, 5416018), (4346, 4821577), (5986, 3500597), (7738, 2708009), (10537, 1988666), (13621, 1538402), (18761, 1116922), (21074, 994333), (27242, 769201), (37522, 558461), (66049, 317258), (132098, 158629)]