204089180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{237313}}^1$

素因数の和:237365

約数の個数: 24

約数和(自身を含む): 438556272

約数和(自身を除く): 234467092

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 237313, 474626, 949252, 1186565, 2373130, 4746260, 10204459, 20408918, 40817836, 51022295, 102044590, 204089180]

約数ペア:

[(1, 204089180), (2, 102044590), (4, 51022295), (5, 40817836), (10, 20408918), (20, 10204459), (43, 4746260), (86, 2373130), (172, 1186565), (215, 949252), (430, 474626), (860, 237313)]