2100072020

素因数分解:

$2^2\times 5^1\times {\mathrm{105003601}}^1$

素因数の和:105003610

約数の個数: 12

約数和(自身を含む): 4410151284

約数和(自身を除く): 2310079264

約数列:

[1, 2, 4, 5, 10, 20, 105003601, 210007202, 420014404, 525018005, 1050036010, 2100072020]

約数ペア:

[(1, 2100072020), (2, 1050036010), (4, 525018005), (5, 420014404), (10, 210007202), (20, 105003601)]