20184883479

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{87427}}^1$

素因数の和:87956

約数の個数: 32

約数和(自身を含む): 31725872640

約数和(自身を除く): 11540989161

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 503, 1509, 4527, 8551, 13581, 25653, 76959, 87427, 230877, 262281, 786843, 1486259, 2360529, 4458777, 13376331, 40128993, 43975781, 131927343, 395782029, 747588277, 1187346087, 2242764831, 6728294493, 20184883479]

約数ペア:

[(1, 20184883479), (3, 6728294493), (9, 2242764831), (17, 1187346087), (27, 747588277), (51, 395782029), (153, 131927343), (459, 43975781), (503, 40128993), (1509, 13376331), (4527, 4458777), (8551, 2360529), (13581, 1486259), (25653, 786843), (76959, 262281), (87427, 230877)]