20867255

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1367}}^1$

素因数の和:1486

約数の個数: 16

約数和(自身を含む): 26002944

約数和(自身を除く): 5135689

約数列:

[1, 5, 43, 71, 215, 355, 1367, 3053, 6835, 15265, 58781, 97057, 293905, 485285, 4173451, 20867255]

約数ペア:

[(1, 20867255), (5, 4173451), (43, 485285), (71, 293905), (215, 97057), (355, 58781), (1367, 15265), (3053, 6835)]