203412980

素因数分解:

$2^2\times 5^1\times {\mathrm{10170649}}^1$

素因数の和:10170658

約数の個数: 12

約数和(自身を含む): 427167300

約数和(自身を除く): 223754320

約数列:

[1, 2, 4, 5, 10, 20, 10170649, 20341298, 40682596, 50853245, 101706490, 203412980]

約数ペア:

[(1, 203412980), (2, 101706490), (4, 50853245), (5, 40682596), (10, 20341298), (20, 10170649)]