20812020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{346867}}^1$

素因数の和:346879

約数の個数: 24

約数和(自身を含む): 58273824

約数和(自身を除く): 37461804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 346867, 693734, 1040601, 1387468, 1734335, 2081202, 3468670, 4162404, 5203005, 6937340, 10406010, 20812020]

約数ペア:

[(1, 20812020), (2, 10406010), (3, 6937340), (4, 5203005), (5, 4162404), (6, 3468670), (10, 2081202), (12, 1734335), (15, 1387468), (20, 1040601), (30, 693734), (60, 346867)]