20553148

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9533}}^1$

素因数の和:9562

約数の個数: 36

約数和(自身を含む): 45648792

約数和(自身を除く): 25095644

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 9533, 19066, 38132, 66731, 104863, 133462, 209726, 266924, 419452, 467117, 734041, 934234, 1468082, 1868468, 2936164, 5138287, 10276574, 20553148]

約数ペア:

[(1, 20553148), (2, 10276574), (4, 5138287), (7, 2936164), (11, 1868468), (14, 1468082), (22, 934234), (28, 734041), (44, 467117), (49, 419452), (77, 266924), (98, 209726), (154, 133462), (196, 104863), (308, 66731), (539, 38132), (1078, 19066), (2156, 9533)]