20020262405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28000367}}^1$

素因数の和:28000396

約数の個数: 16

約数和(自身を含む): 28224370944

約数和(自身を除く): 8204108539

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28000367, 140001835, 308004037, 364004771, 1540020185, 1820023855, 4004052481, 20020262405]

約数ペア:

[(1, 20020262405), (5, 4004052481), (11, 1820023855), (13, 1540020185), (55, 364004771), (65, 308004037), (143, 140001835), (715, 28000367)]