262202020

素因数分解:

$2^2\times 5^1\times {\mathrm{13110101}}^1$

素因数の和:13110110

約数の個数: 12

約数和(自身を含む): 550624284

約数和(自身を除く): 288422264

約数列:

[1, 2, 4, 5, 10, 20, 13110101, 26220202, 52440404, 65550505, 131101010, 262202020]

約数ペア:

[(1, 262202020), (2, 131101010), (4, 65550505), (5, 52440404), (10, 26220202), (20, 13110101)]