20766855780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10488311}}^1$

素因数の和:10488337

約数の個数: 72

約数和(自身を含む): 68719420224

約数和(自身を除く): 47952564444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10488311, 20976622, 31464933, 41953244, 52441555, 62929866, 94394799, 104883110, 115371421, 125859732, 157324665, 188789598, 209766220, 230742842, 314649330, 346114263, 377579196, 461485684, 471973995, 576857105, 629298660, 692228526, 943947990, 1038342789, 1153714210, 1384457052, 1730571315, 1887895980, 2076685578, 2307428420, 3461142630, 4153371156, 5191713945, 6922285260, 10383427890, 20766855780]

約数ペア:

[(1, 20766855780), (2, 10383427890), (3, 6922285260), (4, 5191713945), (5, 4153371156), (6, 3461142630), (9, 2307428420), (10, 2076685578), (11, 1887895980), (12, 1730571315), (15, 1384457052), (18, 1153714210), (20, 1038342789), (22, 943947990), (30, 692228526), (33, 629298660), (36, 576857105), (44, 471973995), (45, 461485684), (55, 377579196), (60, 346114263), (66, 314649330), (90, 230742842), (99, 209766220), (110, 188789598), (132, 157324665), (165, 125859732), (180, 115371421), (198, 104883110), (220, 94394799), (330, 62929866), (396, 52441555), (495, 41953244), (660, 31464933), (990, 20976622), (1980, 10488311)]