19955875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{9391}}^1$

素因数の和:9423

約数の個数: 16

約数和(自身を含む): 26372736

約数和(自身を除く): 6416861

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 9391, 46955, 159647, 234775, 798235, 1173875, 3991175, 19955875]

約数ペア:

[(1, 19955875), (5, 3991175), (17, 1173875), (25, 798235), (85, 234775), (125, 159647), (425, 46955), (2125, 9391)]