2080794020

素因数分解:

$2^2\times 5^1\times {\mathrm{7433}}^1\times {\mathrm{13997}}^1$

素因数の和:21439

約数の個数: 24

約数和(自身を含む): 4370567544

約数和(自身を除く): 2289773524

約数列:

[1, 2, 4, 5, 10, 20, 7433, 13997, 14866, 27994, 29732, 37165, 55988, 69985, 74330, 139970, 148660, 279940, 104039701, 208079402, 416158804, 520198505, 1040397010, 2080794020]

約数ペア:

[(1, 2080794020), (2, 1040397010), (4, 520198505), (5, 416158804), (10, 208079402), (20, 104039701), (7433, 279940), (13997, 148660), (14866, 139970), (27994, 74330), (29732, 69985), (37165, 55988)]