20539467

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 33062400

約数和(自身を除く): 12522933

約数列:

[1, 3, 9, 13, 27, 39, 117, 163, 351, 359, 489, 1077, 1467, 2119, 3231, 4401, 4667, 6357, 9693, 14001, 19071, 42003, 57213, 58517, 126009, 175551, 526653, 760721, 1579959, 2282163, 6846489, 20539467]

約数ペア:

[(1, 20539467), (3, 6846489), (9, 2282163), (13, 1579959), (27, 760721), (39, 526653), (117, 175551), (163, 126009), (351, 58517), (359, 57213), (489, 42003), (1077, 19071), (1467, 14001), (2119, 9693), (3231, 6357), (4401, 4667)]