20135367

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 35043840

約数和(自身を除く): 14908473

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 103, 107, 203, 261, 309, 321, 609, 721, 749, 927, 963, 1827, 2163, 2247, 2987, 3103, 6489, 6741, 8961, 9309, 11021, 20909, 21721, 26883, 27927, 33063, 62727, 65163, 77147, 99189, 188181, 195489, 231441, 319609, 694323, 958827, 2237263, 2876481, 6711789, 20135367]

約数ペア:

[(1, 20135367), (3, 6711789), (7, 2876481), (9, 2237263), (21, 958827), (29, 694323), (63, 319609), (87, 231441), (103, 195489), (107, 188181), (203, 99189), (261, 77147), (309, 65163), (321, 62727), (609, 33063), (721, 27927), (749, 26883), (927, 21721), (963, 20909), (1827, 11021), (2163, 9309), (2247, 8961), (2987, 6741), (3103, 6489)]