20147095209

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1\times {\mathrm{2591}}^1$

素因数の和:3405

約数の個数: 32

約数和(自身を含む): 28043366400

約数和(自身を除く): 7896271191

約数列:

[1, 3, 29, 87, 139, 417, 643, 1929, 2591, 4031, 7773, 12093, 18647, 55941, 75139, 89377, 225417, 268131, 360149, 1080447, 1666013, 2591933, 4998039, 7775799, 10444321, 31332963, 48314377, 144943131, 231575807, 694727421, 6715698403, 20147095209]

約数ペア:

[(1, 20147095209), (3, 6715698403), (29, 694727421), (87, 231575807), (139, 144943131), (417, 48314377), (643, 31332963), (1929, 10444321), (2591, 7775799), (4031, 4998039), (7773, 2591933), (12093, 1666013), (18647, 1080447), (55941, 360149), (75139, 268131), (89377, 225417)]