20207913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 10274007

約数列:

[1, 3, 11, 33, 59, 97, 107, 177, 291, 321, 649, 1067, 1177, 1947, 3201, 3531, 5723, 6313, 10379, 17169, 18939, 31137, 62953, 69443, 114169, 188859, 208329, 342507, 612361, 1837083, 6735971, 20207913]

約数ペア:

[(1, 20207913), (3, 6735971), (11, 1837083), (33, 612361), (59, 342507), (97, 208329), (107, 188859), (177, 114169), (291, 69443), (321, 62953), (649, 31137), (1067, 18939), (1177, 17169), (1947, 10379), (3201, 6313), (3531, 5723)]