20295297

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 35043840

約数和(自身を除く): 14748543

約数列:

[1, 3, 9, 11, 17, 31, 33, 51, 93, 99, 153, 187, 279, 341, 389, 527, 561, 1023, 1167, 1581, 1683, 3069, 3501, 4279, 4743, 5797, 6613, 12059, 12837, 17391, 19839, 36177, 38511, 52173, 59517, 72743, 108531, 132649, 205003, 218229, 397947, 615009, 654687, 1193841, 1845027, 2255033, 6765099, 20295297]

約数ペア:

[(1, 20295297), (3, 6765099), (9, 2255033), (11, 1845027), (17, 1193841), (31, 654687), (33, 615009), (51, 397947), (93, 218229), (99, 205003), (153, 132649), (187, 108531), (279, 72743), (341, 59517), (389, 52173), (527, 38511), (561, 36177), (1023, 19839), (1167, 17391), (1581, 12837), (1683, 12059), (3069, 6613), (3501, 5797), (4279, 4743)]