20898642

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{65719}}^1$

素因数の和:65777

約数の個数: 16

約数和(自身を含む): 42586560

約数和(自身を除く): 21687918

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 65719, 131438, 197157, 394314, 3483107, 6966214, 10449321, 20898642]

約数ペア:

[(1, 20898642), (2, 10449321), (3, 6966214), (6, 3483107), (53, 394314), (106, 197157), (159, 131438), (318, 65719)]