20661369904

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{27407}}^1$

素因数の和:27602

約数の個数: 80

約数和(自身を含む): 46982135808

約数和(自身を除く): 26320765904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 127, 212, 254, 371, 424, 508, 742, 848, 889, 1016, 1484, 1778, 2032, 2968, 3556, 5936, 6731, 7112, 13462, 14224, 26924, 27407, 47117, 53848, 54814, 94234, 107696, 109628, 188468, 191849, 219256, 376936, 383698, 438512, 753872, 767396, 1452571, 1534792, 2905142, 3069584, 3480689, 5810284, 6961378, 10167997, 11620568, 13922756, 20335994, 23241136, 24364823, 27845512, 40671988, 48729646, 55691024, 81343976, 97459292, 162687952, 184476517, 194918584, 368953034, 389837168, 737906068, 1291335619, 1475812136, 2582671238, 2951624272, 5165342476, 10330684952, 20661369904]

約数ペア:

[(1, 20661369904), (2, 10330684952), (4, 5165342476), (7, 2951624272), (8, 2582671238), (14, 1475812136), (16, 1291335619), (28, 737906068), (53, 389837168), (56, 368953034), (106, 194918584), (112, 184476517), (127, 162687952), (212, 97459292), (254, 81343976), (371, 55691024), (424, 48729646), (508, 40671988), (742, 27845512), (848, 24364823), (889, 23241136), (1016, 20335994), (1484, 13922756), (1778, 11620568), (2032, 10167997), (2968, 6961378), (3556, 5810284), (5936, 3480689), (6731, 3069584), (7112, 2905142), (13462, 1534792), (14224, 1452571), (26924, 767396), (27407, 753872), (47117, 438512), (53848, 383698), (54814, 376936), (94234, 219256), (107696, 191849), (109628, 188468)]