20566100

素因数分解:

$2^2\times 5^2\times {\mathrm{205661}}^1$

素因数の和:205675

約数の個数: 18

約数和(自身を含む): 44628654

約数和(自身を除く): 24062554

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 205661, 411322, 822644, 1028305, 2056610, 4113220, 5141525, 10283050, 20566100]

約数ペア:

[(1, 20566100), (2, 10283050), (4, 5141525), (5, 4113220), (10, 2056610), (20, 1028305), (25, 822644), (50, 411322), (100, 205661)]