20156542

素因数分解:

$2^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2311}}^1$

素因数の和:2416

約数の個数: 24

約数和(自身を含む): 35581680

約数和(自身を除く): 15425138

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 623, 1246, 2311, 4361, 4622, 8722, 16177, 32354, 113239, 205679, 226478, 411358, 1439753, 2879506, 10078271, 20156542]

約数ペア:

[(1, 20156542), (2, 10078271), (7, 2879506), (14, 1439753), (49, 411358), (89, 226478), (98, 205679), (178, 113239), (623, 32354), (1246, 16177), (2311, 8722), (4361, 4622)]