20024972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2287}}^1$

素因数の和:2501

約数の個数: 24

約数和(自身を含む): 38438400

約数和(自身を除く): 18413428

約数列:

[1, 2, 4, 11, 22, 44, 199, 398, 796, 2189, 2287, 4378, 4574, 8756, 9148, 25157, 50314, 100628, 455113, 910226, 1820452, 5006243, 10012486, 20024972]

約数ペア:

[(1, 20024972), (2, 10012486), (4, 5006243), (11, 1820452), (22, 910226), (44, 455113), (199, 100628), (398, 50314), (796, 25157), (2189, 9148), (2287, 8756), (4378, 4574)]