20763850

素因数分解:

$2^1\times 5^2\times {\mathrm{263}}^1\times {\mathrm{1579}}^1$

素因数の和:1854

約数の個数: 24

約数和(自身を含む): 38792160

約数和(自身を除く): 18028310

約数列:

[1, 2, 5, 10, 25, 50, 263, 526, 1315, 1579, 2630, 3158, 6575, 7895, 13150, 15790, 39475, 78950, 415277, 830554, 2076385, 4152770, 10381925, 20763850]

約数ペア:

[(1, 20763850), (2, 10381925), (5, 4152770), (10, 2076385), (25, 830554), (50, 415277), (263, 78950), (526, 39475), (1315, 15790), (1579, 13150), (2630, 7895), (3158, 6575)]