20107165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3727}}^1$

素因数の和:3828

約数の個数: 16

約数和(自身を含む): 26304768

約数和(自身を除く): 6197603

約数列:

[1, 5, 13, 65, 83, 415, 1079, 3727, 5395, 18635, 48451, 242255, 309341, 1546705, 4021433, 20107165]

約数ペア:

[(1, 20107165), (5, 4021433), (13, 1546705), (65, 309341), (83, 242255), (415, 48451), (1079, 18635), (3727, 5395)]