20288734

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:915

約数の個数: 16

約数和(自身を含む): 30981600

約数和(自身を除く): 10692866

約数列:

[1, 2, 103, 149, 206, 298, 661, 1322, 15347, 30694, 68083, 98489, 136166, 196978, 10144367, 20288734]

約数ペア:

[(1, 20288734), (2, 10144367), (103, 196978), (149, 136166), (206, 98489), (298, 68083), (661, 30694), (1322, 15347)]