20671065

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9007}}^1$

素因数の和:9038

約数の個数: 32

約数和(自身を含む): 38914560

約数和(自身を除く): 18243495

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 9007, 27021, 45035, 81063, 135105, 153119, 243189, 405315, 459357, 765595, 1215945, 1378071, 2296785, 4134213, 6890355, 20671065]

約数ペア:

[(1, 20671065), (3, 6890355), (5, 4134213), (9, 2296785), (15, 1378071), (17, 1215945), (27, 765595), (45, 459357), (51, 405315), (85, 243189), (135, 153119), (153, 135105), (255, 81063), (459, 45035), (765, 27021), (2295, 9007)]