20178806

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{3371}}^1$

素因数の和:3487

約数の個数: 16

約数和(自身を含む): 31440528

約数和(自身を除く): 11261722

約数列:

[1, 2, 41, 73, 82, 146, 2993, 3371, 5986, 6742, 138211, 246083, 276422, 492166, 10089403, 20178806]

約数ペア:

[(1, 20178806), (2, 10089403), (41, 492166), (73, 276422), (82, 246083), (146, 138211), (2993, 6742), (3371, 5986)]