20805810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{693527}}^1$

素因数の和:693537

約数の個数: 16

約数和(自身を含む): 49934016

約数和(自身を除く): 29128206

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 693527, 1387054, 2080581, 3467635, 4161162, 6935270, 10402905, 20805810]

約数ペア:

[(1, 20805810), (2, 10402905), (3, 6935270), (5, 4161162), (6, 3467635), (10, 2080581), (15, 1387054), (30, 693527)]