20644945

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{733}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 25578432

約数和(自身を除く): 4933487

約数列:

[1, 5, 43, 131, 215, 655, 733, 3665, 5633, 28165, 31519, 96023, 157595, 480115, 4128989, 20644945]

約数ペア:

[(1, 20644945), (5, 4128989), (43, 480115), (131, 157595), (215, 96023), (655, 31519), (733, 28165), (3665, 5633)]