20198060405

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{3697}}^1\times {\mathrm{25411}}^1$

素因数の和:29156

約数の個数: 16

約数和(自身を含む): 24809024064

約数和(自身を除く): 4610963659

約数列:

[1, 5, 43, 215, 3697, 18485, 25411, 127055, 158971, 794855, 1092673, 5463365, 93944467, 469722335, 4039612081, 20198060405]

約数ペア:

[(1, 20198060405), (5, 4039612081), (43, 469722335), (215, 93944467), (3697, 5463365), (18485, 1092673), (25411, 794855), (127055, 158971)]