20403715

素因数分解:

$5^1\times {\mathrm{43}}^2\times {\mathrm{2207}}^1$

素因数の和:2298

約数の個数: 12

約数和(自身を含む): 25078464

約数和(自身を除く): 4674749

約数列:

[1, 5, 43, 215, 1849, 2207, 9245, 11035, 94901, 474505, 4080743, 20403715]

約数ペア:

[(1, 20403715), (5, 4080743), (43, 474505), (215, 94901), (1849, 11035), (2207, 9245)]