16272020

素因数分解:

$2^2\times 5^1\times {\mathrm{813601}}^1$

素因数の和:813610

約数の個数: 12

約数和(自身を含む): 34171284

約数和(自身を除く): 17899264

約数列:

[1, 2, 4, 5, 10, 20, 813601, 1627202, 3254404, 4068005, 8136010, 16272020]

約数ペア:

[(1, 16272020), (2, 8136010), (4, 4068005), (5, 3254404), (10, 1627202), (20, 813601)]