20605078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21419}}^1$

素因数の和:21471

約数の個数: 16

約数和(自身を含む): 34186320

約数和(自身を除く): 13581242

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 21419, 42838, 278447, 556894, 792503, 1585006, 10302539, 20605078]

約数ペア:

[(1, 20605078), (2, 10302539), (13, 1585006), (26, 792503), (37, 556894), (74, 278447), (481, 42838), (962, 21419)]