20765706

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{20479}}^1$

素因数の和:20510

約数の個数: 24

約数和(自身を含む): 44974080

約数和(自身を除く): 24208374

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 20479, 40958, 61437, 122874, 266227, 532454, 798681, 1597362, 3460951, 6921902, 10382853, 20765706]

約数ペア:

[(1, 20765706), (2, 10382853), (3, 6921902), (6, 3460951), (13, 1597362), (26, 798681), (39, 532454), (78, 266227), (169, 122874), (338, 61437), (507, 40958), (1014, 20479)]