20785425

素因数分解:

$3^1\times 5^2\times {\mathrm{373}}^1\times {\mathrm{743}}^1$

素因数の和:1129

約数の個数: 24

約数和(自身を含む): 34503744

約数和(自身を除く): 13718319

約数列:

[1, 3, 5, 15, 25, 75, 373, 743, 1119, 1865, 2229, 3715, 5595, 9325, 11145, 18575, 27975, 55725, 277139, 831417, 1385695, 4157085, 6928475, 20785425]

約数ペア:

[(1, 20785425), (3, 6928475), (5, 4157085), (15, 1385695), (25, 831417), (75, 277139), (373, 55725), (743, 27975), (1119, 18575), (1865, 11145), (2229, 9325), (3715, 5595)]