20635263

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 36426240

約数和(自身を除く): 15790977

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 61, 67, 99, 153, 183, 187, 201, 297, 459, 549, 561, 603, 671, 737, 1037, 1139, 1647, 1683, 1809, 2013, 2211, 3111, 3417, 4087, 5049, 6039, 6633, 9333, 10251, 11407, 12261, 12529, 18117, 19899, 27999, 30753, 34221, 36783, 37587, 44957, 69479, 102663, 110349, 112761, 134871, 208437, 307989, 338283, 404613, 625311, 764269, 1213839, 1875933, 2292807, 6878421, 20635263]

約数ペア:

[(1, 20635263), (3, 6878421), (9, 2292807), (11, 1875933), (17, 1213839), (27, 764269), (33, 625311), (51, 404613), (61, 338283), (67, 307989), (99, 208437), (153, 134871), (183, 112761), (187, 110349), (201, 102663), (297, 69479), (459, 44957), (549, 37587), (561, 36783), (603, 34221), (671, 30753), (737, 27999), (1037, 19899), (1139, 18117), (1647, 12529), (1683, 12261), (1809, 11407), (2013, 10251), (2211, 9333), (3111, 6633), (3417, 6039), (4087, 5049)]