20570085

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8963}}^1$

素因数の和:8994

約数の個数: 32

約数和(自身を含む): 38724480

約数和(自身を除く): 18154395

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8963, 26889, 44815, 80667, 134445, 152371, 242001, 403335, 457113, 761855, 1210005, 1371339, 2285565, 4114017, 6856695, 20570085]

約数ペア:

[(1, 20570085), (3, 6856695), (5, 4114017), (9, 2285565), (15, 1371339), (17, 1210005), (27, 761855), (45, 457113), (51, 403335), (85, 242001), (135, 152371), (153, 134445), (255, 80667), (459, 44815), (765, 26889), (2295, 8963)]