20105304290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105817391}}^1$

素因数の和:105817417

約数の個数: 16

約数和(自身を含む): 38094261120

約数和(自身を除く): 17988956830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 105817391, 211634782, 529086955, 1058173910, 2010530429, 4021060858, 10052652145, 20105304290]

約数ペア:

[(1, 20105304290), (2, 10052652145), (5, 4021060858), (10, 2010530429), (19, 1058173910), (38, 529086955), (95, 211634782), (190, 105817391)]