20512957545

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2161}}^1\times {\mathrm{2971}}^1$

素因数の和:5214

約数の個数: 48

約数和(自身を含む): 36085405824

約数和(自身を除く): 15572448279

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 2161, 2971, 3195, 6483, 8913, 10805, 14855, 19449, 26739, 32415, 44565, 97245, 133695, 153431, 210941, 460293, 632823, 767155, 1054705, 1380879, 1898469, 2301465, 3164115, 6420331, 6904395, 9492345, 19260993, 32101655, 57782979, 96304965, 288914895, 455843501, 1367530503, 2279217505, 4102591509, 6837652515, 20512957545]

約数ペア:

[(1, 20512957545), (3, 6837652515), (5, 4102591509), (9, 2279217505), (15, 1367530503), (45, 455843501), (71, 288914895), (213, 96304965), (355, 57782979), (639, 32101655), (1065, 19260993), (2161, 9492345), (2971, 6904395), (3195, 6420331), (6483, 3164115), (8913, 2301465), (10805, 1898469), (14855, 1380879), (19449, 1054705), (26739, 767155), (32415, 632823), (44565, 460293), (97245, 210941), (133695, 153431)]