20565584151

素因数分解:

$3^1\times 7^2\times {\mathrm{293}}^1\times {\mathrm{691}}^2$

素因数の和:1692

約数の個数: 36

約数和(自身を含む): 32052892536

約数和(自身を除く): 11487308385

約数列:

[1, 3, 7, 21, 49, 147, 293, 691, 879, 2051, 2073, 4837, 6153, 14357, 14511, 33859, 43071, 101577, 202463, 477481, 607389, 1417241, 1432443, 3342367, 4251723, 9920687, 10027101, 23396569, 29762061, 70189707, 139901933, 419705799, 979313531, 2937940593, 6855194717, 20565584151]

約数ペア:

[(1, 20565584151), (3, 6855194717), (7, 2937940593), (21, 979313531), (49, 419705799), (147, 139901933), (293, 70189707), (691, 29762061), (879, 23396569), (2051, 10027101), (2073, 9920687), (4837, 4251723), (6153, 3342367), (14357, 1432443), (14511, 1417241), (33859, 607389), (43071, 477481), (101577, 202463)]