20756967

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1523}}^1$

素因数の和:1603

約数の個数: 32

約数和(自身を含む): 35112960

約数和(自身を除く): 14355993

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 177, 231, 413, 649, 1239, 1523, 1947, 4543, 4569, 10661, 13629, 16753, 31983, 50259, 89857, 117271, 269571, 351813, 628999, 988427, 1886997, 2965281, 6918989, 20756967]

約数ペア:

[(1, 20756967), (3, 6918989), (7, 2965281), (11, 1886997), (21, 988427), (33, 628999), (59, 351813), (77, 269571), (177, 117271), (231, 89857), (413, 50259), (649, 31983), (1239, 16753), (1523, 13629), (1947, 10661), (4543, 4569)]