20599072

素因数分解:

$2^5\times {\mathrm{13}}^3\times {\mathrm{293}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 44082360

約数和(自身を除く): 23483288

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 293, 338, 416, 586, 676, 1172, 1352, 2197, 2344, 2704, 3809, 4394, 4688, 5408, 7618, 8788, 9376, 15236, 17576, 30472, 35152, 49517, 60944, 70304, 99034, 121888, 198068, 396136, 643721, 792272, 1287442, 1584544, 2574884, 5149768, 10299536, 20599072]

約数ペア:

[(1, 20599072), (2, 10299536), (4, 5149768), (8, 2574884), (13, 1584544), (16, 1287442), (26, 792272), (32, 643721), (52, 396136), (104, 198068), (169, 121888), (208, 99034), (293, 70304), (338, 60944), (416, 49517), (586, 35152), (676, 30472), (1172, 17576), (1352, 15236), (2197, 9376), (2344, 8788), (2704, 7618), (3809, 5408), (4394, 4688)]