20569207295

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{636719}}^1$

素因数の和:636815

約数の個数: 32

約数和(自身を含む): 30807060480

約数和(自身を除く): 10237853185

約数列:

[1, 5, 7, 13, 35, 65, 71, 91, 355, 455, 497, 923, 2485, 4615, 6461, 32305, 636719, 3183595, 4457033, 8277347, 22285165, 41386735, 45207049, 57941429, 226035245, 289707145, 316449343, 587691637, 1582246715, 2938458185, 4113841459, 20569207295]

約数ペア:

[(1, 20569207295), (5, 4113841459), (7, 2938458185), (13, 1582246715), (35, 587691637), (65, 316449343), (71, 289707145), (91, 226035245), (355, 57941429), (455, 45207049), (497, 41386735), (923, 22285165), (2485, 8277347), (4615, 4457033), (6461, 3183595), (32305, 636719)]