20197749027

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1\times {\mathrm{221401}}^1$

素因数の和:222098

約数の個数: 16

約数和(自身を含む): 27545951232

約数和(自身を除く): 7348202205

約数列:

[1, 3, 47, 141, 647, 1941, 30409, 91227, 221401, 664203, 10405847, 31217541, 143246447, 429739341, 6732583009, 20197749027]

約数ペア:

[(1, 20197749027), (3, 6732583009), (47, 429739341), (141, 143246447), (647, 31217541), (1941, 10405847), (30409, 664203), (91227, 221401)]