20315806

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23789}}^1$

素因数の和:23859

約数の個数: 16

約数和(自身を含む): 35399520

約数和(自身を除く): 15083714

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 23789, 47578, 166523, 333046, 1451129, 2902258, 10157903, 20315806]

約数ペア:

[(1, 20315806), (2, 10157903), (7, 2902258), (14, 1451129), (61, 333046), (122, 166523), (427, 47578), (854, 23789)]