198182020

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{12433}}^1$

素因数の和:13239

約数の個数: 24

約数和(自身を含む): 416737944

約数和(自身を除く): 218555924

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 3188, 3985, 7970, 12433, 15940, 24866, 49732, 62165, 124330, 248660, 9909101, 19818202, 39636404, 49545505, 99091010, 198182020]

約数ペア:

[(1, 198182020), (2, 99091010), (4, 49545505), (5, 39636404), (10, 19818202), (20, 9909101), (797, 248660), (1594, 124330), (3188, 62165), (3985, 49732), (7970, 24866), (12433, 15940)]