20778820180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61114177}}^1$

素因数の和:61114203

約数の個数: 24

約数和(自身を含む): 46202318568

約数和(自身を除く): 25423498388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 61114177, 122228354, 244456708, 305570885, 611141770, 1038941009, 1222283540, 2077882018, 4155764036, 5194705045, 10389410090, 20778820180]

約数ペア:

[(1, 20778820180), (2, 10389410090), (4, 5194705045), (5, 4155764036), (10, 2077882018), (17, 1222283540), (20, 1038941009), (34, 611141770), (68, 305570885), (85, 244456708), (170, 122228354), (340, 61114177)]