13309980220

素因数分解:

$2^2\times 5^1\times {\mathrm{665499011}}^1$

素因数の和:665499020

約数の個数: 12

約数和(自身を含む): 27950958504

約数和(自身を除く): 14640978284

約数列:

[1, 2, 4, 5, 10, 20, 665499011, 1330998022, 2661996044, 3327495055, 6654990110, 13309980220]

約数ペア:

[(1, 13309980220), (2, 6654990110), (4, 3327495055), (5, 2661996044), (10, 1330998022), (20, 665499011)]