20656328

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33533}}^1$

素因数の和:33557

約数の個数: 32

約数和(自身を含む): 48288960

約数和(自身を除く): 27632632

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 33533, 67066, 134132, 234731, 268264, 368863, 469462, 737726, 938924, 1475452, 1877848, 2582041, 2950904, 5164082, 10328164, 20656328]

約数ペア:

[(1, 20656328), (2, 10328164), (4, 5164082), (7, 2950904), (8, 2582041), (11, 1877848), (14, 1475452), (22, 938924), (28, 737726), (44, 469462), (56, 368863), (77, 268264), (88, 234731), (154, 134132), (308, 67066), (616, 33533)]