20009781847

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{67853}}^1$

素因数の和:67983

約数の個数: 32

約数和(自身を含む): 24622859520

約数和(自身を除く): 4613077673

約数列:

[1, 11, 17, 19, 83, 187, 209, 323, 913, 1411, 1577, 3553, 15521, 17347, 26809, 67853, 294899, 746383, 1153501, 1289207, 5631799, 12688511, 14181277, 21916519, 61949789, 95740583, 107004181, 241081709, 1053146413, 1177045991, 1819071077, 20009781847]

約数ペア:

[(1, 20009781847), (11, 1819071077), (17, 1177045991), (19, 1053146413), (83, 241081709), (187, 107004181), (209, 95740583), (323, 61949789), (913, 21916519), (1411, 14181277), (1577, 12688511), (3553, 5631799), (15521, 1289207), (17347, 1153501), (26809, 746383), (67853, 294899)]