20386352

素因数分解:

$2^4\times 7^2\times {\mathrm{26003}}^1$

素因数の和:26025

約数の個数: 30

約数和(自身を含む): 45949068

約数和(自身を除く): 25562716

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 26003, 52006, 104012, 182021, 208024, 364042, 416048, 728084, 1274147, 1456168, 2548294, 2912336, 5096588, 10193176, 20386352]

約数ペア:

[(1, 20386352), (2, 10193176), (4, 5096588), (7, 2912336), (8, 2548294), (14, 1456168), (16, 1274147), (28, 728084), (49, 416048), (56, 364042), (98, 208024), (112, 182021), (196, 104012), (392, 52006), (784, 26003)]