20012875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{6961}}^1$

素因数の和:6999

約数の個数: 16

約数和(自身を含む): 26065728

約数和(自身を除く): 6052853

約数列:

[1, 5, 23, 25, 115, 125, 575, 2875, 6961, 34805, 160103, 174025, 800515, 870125, 4002575, 20012875]

約数ペア:

[(1, 20012875), (5, 4002575), (23, 870125), (25, 800515), (115, 174025), (125, 160103), (575, 34805), (2875, 6961)]