20321961

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{4133}}^1$

素因数の和:4296

約数の個数: 16

約数和(自身を含む): 29764800

約数和(自身を除く): 9442839

約数列:

[1, 3, 11, 33, 149, 447, 1639, 4133, 4917, 12399, 45463, 136389, 615817, 1847451, 6773987, 20321961]

約数ペア:

[(1, 20321961), (3, 6773987), (11, 1847451), (33, 615817), (149, 136389), (447, 45463), (1639, 12399), (4133, 4917)]