20161661547

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1663}}^1\times {\mathrm{2671}}^1$

素因数の和:4443

約数の個数: 32

約数和(自身を含む): 28811427840

約数和(自身を除く): 8649766293

約数列:

[1, 3, 17, 51, 89, 267, 1513, 1663, 2671, 4539, 4989, 8013, 28271, 45407, 84813, 136221, 148007, 237719, 444021, 713157, 2516119, 4041223, 4441873, 7548357, 12123669, 13325619, 75511841, 226535523, 395326697, 1185980091, 6720553849, 20161661547]

約数ペア:

[(1, 20161661547), (3, 6720553849), (17, 1185980091), (51, 395326697), (89, 226535523), (267, 75511841), (1513, 13325619), (1663, 12123669), (2671, 7548357), (4539, 4441873), (4989, 4041223), (8013, 2516119), (28271, 713157), (45407, 444021), (84813, 237719), (136221, 148007)]