20161383988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{618979}}^1$

素因数の和:619479

約数の個数: 24

約数和(自身を含む): 37435910400

約数和(自身を除く): 17274526412

約数列:

[1, 2, 4, 17, 34, 68, 479, 958, 1916, 8143, 16286, 32572, 618979, 1237958, 2475916, 10522643, 21045286, 42090572, 296490941, 592981882, 1185963764, 5040345997, 10080691994, 20161383988]

約数ペア:

[(1, 20161383988), (2, 10080691994), (4, 5040345997), (17, 1185963764), (34, 592981882), (68, 296490941), (479, 42090572), (958, 21045286), (1916, 10522643), (8143, 2475916), (16286, 1237958), (32572, 618979)]