20475375

素因数分解:

$3^1\times 5^3\times {\mathrm{54601}}^1$

素因数の和:54619

約数の個数: 16

約数和(自身を含む): 34071648

約数和(自身を除く): 13596273

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 54601, 163803, 273005, 819015, 1365025, 4095075, 6825125, 20475375]

約数ペア:

[(1, 20475375), (3, 6825125), (5, 4095075), (15, 1365025), (25, 819015), (75, 273005), (125, 163803), (375, 54601)]