20666015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5059}}^1$

素因数の和:5126

約数の個数: 16

約数和(自身を含む): 26716800

約数和(自身を除く): 6050785

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 5059, 25295, 96121, 217537, 480605, 1087685, 4133203, 20666015]

約数ペア:

[(1, 20666015), (5, 4133203), (19, 1087685), (43, 480605), (95, 217537), (215, 96121), (817, 25295), (4085, 5059)]