20652705

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8999}}^1$

素因数の和:9030

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 18227295

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8999, 26997, 44995, 80991, 134985, 152983, 242973, 404955, 458949, 764915, 1214865, 1376847, 2294745, 4130541, 6884235, 20652705]

約数ペア:

[(1, 20652705), (3, 6884235), (5, 4130541), (9, 2294745), (15, 1376847), (17, 1214865), (27, 764915), (45, 458949), (51, 404955), (85, 242973), (135, 152983), (153, 134985), (255, 80991), (459, 44995), (765, 26997), (2295, 8999)]