20090165055

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{248533}}^1$

素因数の和:248875

約数の個数: 32

約数和(自身を含む): 34142606784

約数和(自身を除く): 14052441729

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 317, 951, 1585, 4755, 5389, 16167, 26945, 80835, 248533, 745599, 1242665, 3727995, 4225061, 12675183, 21125305, 63375915, 78784961, 236354883, 393924805, 1181774415, 1339344337, 4018033011, 6696721685, 20090165055]

約数ペア:

[(1, 20090165055), (3, 6696721685), (5, 4018033011), (15, 1339344337), (17, 1181774415), (51, 393924805), (85, 236354883), (255, 78784961), (317, 63375915), (951, 21125305), (1585, 12675183), (4755, 4225061), (5389, 3727995), (16167, 1242665), (26945, 745599), (80835, 248533)]