20195568729

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1148977}}^1$

素因数の和:1149027

約数の個数: 40

約数和(自身を含む): 35590742528

約数和(自身を除く): 15395173799

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 1953, 2511, 5859, 17577, 1148977, 3446931, 8042839, 10340793, 24128517, 31022379, 35618287, 72385551, 93067137, 106854861, 217156653, 249328009, 320564583, 651469959, 747984027, 961693749, 2243952081, 2885081247, 6731856243, 20195568729]

約数ペア:

[(1, 20195568729), (3, 6731856243), (7, 2885081247), (9, 2243952081), (21, 961693749), (27, 747984027), (31, 651469959), (63, 320564583), (81, 249328009), (93, 217156653), (189, 106854861), (217, 93067137), (279, 72385551), (567, 35618287), (651, 31022379), (837, 24128517), (1953, 10340793), (2511, 8042839), (5859, 3446931), (17577, 1148977)]