20510810

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28097}}^1$

素因数の和:28177

約数の個数: 16

約数和(自身を含む): 37426536

約数和(自身を除く): 16915726

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 28097, 56194, 140485, 280970, 2051081, 4102162, 10255405, 20510810]

約数ペア:

[(1, 20510810), (2, 10255405), (5, 4102162), (10, 2051081), (73, 280970), (146, 140485), (365, 56194), (730, 28097)]