20370245

素因数分解:

$5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1423}}^1$

素因数の和:1844

約数の個数: 16

約数和(自身を含む): 28024320

約数和(自身を除く): 7654075

約数列:

[1, 5, 7, 35, 409, 1423, 2045, 2863, 7115, 9961, 14315, 49805, 582007, 2910035, 4074049, 20370245]

約数ペア:

[(1, 20370245), (5, 4074049), (7, 2910035), (35, 582007), (409, 49805), (1423, 14315), (2045, 9961), (2863, 7115)]