20087855

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4721}}^1$

素因数の和:4786

約数の個数: 16

約数和(自身を含む): 25838784

約数和(自身を除く): 5750929

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 4721, 23605, 108583, 174677, 542915, 873385, 4017571, 20087855]

約数ペア:

[(1, 20087855), (5, 4017571), (23, 873385), (37, 542915), (115, 174677), (185, 108583), (851, 23605), (4255, 4721)]