20754895

素因数分解:

$5^1\times 7^1\times {\mathrm{733}}^1\times {\mathrm{809}}^1$

素因数の和:1554

約数の個数: 16

約数和(自身を含む): 28537920

約数和(自身を除く): 7783025

約数列:

[1, 5, 7, 35, 733, 809, 3665, 4045, 5131, 5663, 25655, 28315, 592997, 2964985, 4150979, 20754895]

約数ペア:

[(1, 20754895), (5, 4150979), (7, 2964985), (35, 592997), (733, 28315), (809, 25655), (3665, 5663), (4045, 5131)]