20539432

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{42089}}^1$

素因数の和:42156

約数の個数: 16

約数和(自身を含む): 39143700

約数和(自身を除く): 18604268

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 42089, 84178, 168356, 336712, 2567429, 5134858, 10269716, 20539432]

約数ペア:

[(1, 20539432), (2, 10269716), (4, 5134858), (8, 2567429), (61, 336712), (122, 168356), (244, 84178), (488, 42089)]