20004872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131611}}^1$

素因数の和:131636

約数の個数: 16

約数和(自身を含む): 39483600

約数和(自身を除く): 19478728

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 131611, 263222, 526444, 1052888, 2500609, 5001218, 10002436, 20004872]

約数ペア:

[(1, 20004872), (2, 10002436), (4, 5001218), (8, 2500609), (19, 1052888), (38, 526444), (76, 263222), (152, 131611)]