20189285180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23475913}}^1$

素因数の和:23475965

約数の個数: 24

約数和(自身を含む): 43383489072

約数和(自身を除く): 23194203892

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23475913, 46951826, 93903652, 117379565, 234759130, 469518260, 1009464259, 2018928518, 4037857036, 5047321295, 10094642590, 20189285180]

約数ペア:

[(1, 20189285180), (2, 10094642590), (4, 5047321295), (5, 4037857036), (10, 2018928518), (20, 1009464259), (43, 469518260), (86, 234759130), (172, 117379565), (215, 93903652), (430, 46951826), (860, 23475913)]