20866250

素因数分解:

$2^1\times 5^4\times {\mathrm{16693}}^1$

素因数の和:16715

約数の個数: 20

約数和(自身を含む): 39114042

約数和(自身を除く): 18247792

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 16693, 33386, 83465, 166930, 417325, 834650, 2086625, 4173250, 10433125, 20866250]

約数ペア:

[(1, 20866250), (2, 10433125), (5, 4173250), (10, 2086625), (25, 834650), (50, 417325), (125, 166930), (250, 83465), (625, 33386), (1250, 16693)]