20784384865

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1104671}}^1$

素因数の和:1104800

約数の個数: 16

約数和(自身を含む): 25769788416

約数和(自身を除く): 4985403551

約数列:

[1, 5, 53, 71, 265, 355, 3763, 18815, 1104671, 5523355, 58547563, 78431641, 292737815, 392158205, 4156876973, 20784384865]

約数ペア:

[(1, 20784384865), (5, 4156876973), (53, 392158205), (71, 292737815), (265, 78431641), (355, 58547563), (3763, 5523355), (18815, 1104671)]