20808933885

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{12941}}^1$

素因数の和:13275

約数の個数: 64

約数和(自身を含む): 37993570560

約数和(自身を除く): 17184636675

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 277, 387, 645, 831, 1161, 1385, 1935, 2493, 4155, 5805, 7479, 11911, 12465, 12941, 35733, 37395, 38823, 59555, 64705, 107199, 116469, 178665, 194115, 321597, 349407, 535995, 556463, 582345, 1607985, 1669389, 1747035, 2782315, 3584657, 5008167, 8346945, 10753971, 15024501, 17923285, 25040835, 32261913, 53769855, 75122505, 96785739, 154140251, 161309565, 462420753, 483928695, 770701255, 1387262259, 2312103765, 4161786777, 6936311295, 20808933885]

約数ペア:

[(1, 20808933885), (3, 6936311295), (5, 4161786777), (9, 2312103765), (15, 1387262259), (27, 770701255), (43, 483928695), (45, 462420753), (129, 161309565), (135, 154140251), (215, 96785739), (277, 75122505), (387, 53769855), (645, 32261913), (831, 25040835), (1161, 17923285), (1385, 15024501), (1935, 10753971), (2493, 8346945), (4155, 5008167), (5805, 3584657), (7479, 2782315), (11911, 1747035), (12465, 1669389), (12941, 1607985), (35733, 582345), (37395, 556463), (38823, 535995), (59555, 349407), (64705, 321597), (107199, 194115), (116469, 178665)]