20015742770639

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{766421}}^1$

素因数の和:766808

約数の個数: 64

約数和(自身を含む): 26890154993664

約数和(自身を除く): 6874412223025

約数列:

[1, 7, 11, 17, 71, 77, 119, 187, 281, 497, 781, 1207, 1309, 1967, 3091, 4777, 5467, 8449, 13277, 19951, 21637, 33439, 52547, 92939, 139657, 219461, 339167, 367829, 766421, 1536227, 2374169, 3730837, 5364947, 8430631, 13029157, 26115859, 54415891, 59014417, 91204099, 143320727, 215364301, 380911237, 598574801, 925070147, 1003245089, 1507550107, 2369007311, 3661193117, 4190023607, 6475491029, 10175771617, 15290865371, 16583051177, 25628351819, 40273124287, 71230401319, 107036057597, 168199519081, 259944711307, 281911870009, 1177396633567, 1819612979149, 2859391824377, 20015742770639]

約数ペア:

[(1, 20015742770639), (7, 2859391824377), (11, 1819612979149), (17, 1177396633567), (71, 281911870009), (77, 259944711307), (119, 168199519081), (187, 107036057597), (281, 71230401319), (497, 40273124287), (781, 25628351819), (1207, 16583051177), (1309, 15290865371), (1967, 10175771617), (3091, 6475491029), (4777, 4190023607), (5467, 3661193117), (8449, 2369007311), (13277, 1507550107), (19951, 1003245089), (21637, 925070147), (33439, 598574801), (52547, 380911237), (92939, 215364301), (139657, 143320727), (219461, 91204099), (339167, 59014417), (367829, 54415891), (766421, 26115859), (1536227, 13029157), (2374169, 8430631), (3730837, 5364947)]