20156644

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{787}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 37288160

約数和(自身を除く): 17131516

約数列:

[1, 2, 4, 19, 38, 76, 337, 674, 787, 1348, 1574, 3148, 6403, 12806, 14953, 25612, 29906, 59812, 265219, 530438, 1060876, 5039161, 10078322, 20156644]

約数ペア:

[(1, 20156644), (2, 10078322), (4, 5039161), (19, 1060876), (38, 530438), (76, 265219), (337, 59812), (674, 29906), (787, 25612), (1348, 14953), (1574, 12806), (3148, 6403)]