20736345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11617}}^1$

素因数の和:11649

約数の個数: 32

約数和(自身を含む): 40151808

約数和(自身を除く): 19415463

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11617, 34851, 58085, 81319, 174255, 197489, 243957, 406595, 592467, 987445, 1219785, 1382423, 2962335, 4147269, 6912115, 20736345]

約数ペア:

[(1, 20736345), (3, 6912115), (5, 4147269), (7, 2962335), (15, 1382423), (17, 1219785), (21, 987445), (35, 592467), (51, 406595), (85, 243957), (105, 197489), (119, 174255), (255, 81319), (357, 58085), (595, 34851), (1785, 11617)]