20537198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4691}}^1$

素因数の和:4903

約数の個数: 16

約数和(自身を含む): 33782400

約数和(自身を除く): 13245202

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 4691, 9382, 51601, 103202, 933509, 1867018, 10268599, 20537198]

約数ペア:

[(1, 20537198), (2, 10268599), (11, 1867018), (22, 933509), (199, 103202), (398, 51601), (2189, 9382), (4378, 4691)]