20138703556

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{12309721}}^1$

素因数の和:12310134

約数の個数: 12

約数和(自身を含む): 35328902140

約数和(自身を除く): 15190198584

約数列:

[1, 2, 4, 409, 818, 1636, 12309721, 24619442, 49238884, 5034675889, 10069351778, 20138703556]

約数ペア:

[(1, 20138703556), (2, 10069351778), (4, 5034675889), (409, 49238884), (818, 24619442), (1636, 12309721)]