20123298057

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{42089}}^1$

素因数の和:42273

約数の個数: 32

約数和(自身を含む): 28510755840

約数和(自身を除く): 8387457783

約数列:

[1, 3, 31, 53, 93, 97, 159, 291, 1643, 3007, 4929, 5141, 9021, 15423, 42089, 126267, 159371, 478113, 1304759, 2230717, 3914277, 4082633, 6692151, 12247899, 69152227, 126561623, 207456681, 216379549, 379684869, 649138647, 6707766019, 20123298057]

約数ペア:

[(1, 20123298057), (3, 6707766019), (31, 649138647), (53, 379684869), (93, 216379549), (97, 207456681), (159, 126561623), (291, 69152227), (1643, 12247899), (3007, 6692151), (4929, 4082633), (5141, 3914277), (9021, 2230717), (15423, 1304759), (42089, 478113), (126267, 159371)]