2002805511

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{20947}}^1$

素因数の和:21143

約数の個数: 32

約数和(自身を含む): 3177392640

約数和(自身を除く): 1174587129

約数列:

[1, 3, 7, 21, 29, 87, 157, 203, 471, 609, 1099, 3297, 4553, 13659, 20947, 31871, 62841, 95613, 146629, 439887, 607463, 1822389, 3288679, 4252241, 9866037, 12756723, 23020753, 69062259, 95371691, 286115073, 667601837, 2002805511]

約数ペア:

[(1, 2002805511), (3, 667601837), (7, 286115073), (21, 95371691), (29, 69062259), (87, 23020753), (157, 12756723), (203, 9866037), (471, 4252241), (609, 3288679), (1099, 1822389), (3297, 607463), (4553, 439887), (13659, 146629), (20947, 95613), (31871, 62841)]