20290197

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{3037}}^1$

素因数の和:3188

約数の個数: 16

約数和(自身を含む): 28873152

約数和(自身を除く): 8582955

約数列:

[1, 3, 17, 51, 131, 393, 2227, 3037, 6681, 9111, 51629, 154887, 397847, 1193541, 6763399, 20290197]

約数ペア:

[(1, 20290197), (3, 6763399), (17, 1193541), (51, 397847), (131, 154887), (393, 51629), (2227, 9111), (3037, 6681)]