20156752

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16361}}^1$

素因数の和:16387

約数の個数: 40

約数和(自身を含む): 48693312

約数和(自身を除く): 28536560

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16361, 32722, 65444, 114527, 130888, 179971, 229054, 261776, 359942, 458108, 719884, 916216, 1259797, 1439768, 1832432, 2519594, 2879536, 5039188, 10078376, 20156752]

約数ペア:

[(1, 20156752), (2, 10078376), (4, 5039188), (7, 2879536), (8, 2519594), (11, 1832432), (14, 1439768), (16, 1259797), (22, 916216), (28, 719884), (44, 458108), (56, 359942), (77, 261776), (88, 229054), (112, 179971), (154, 130888), (176, 114527), (308, 65444), (616, 32722), (1232, 16361)]