20908132

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39301}}^1$

素因数の和:39331

約数の個数: 24

約数和(自身を含む): 44018240

約数和(自身を除く): 23110108

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39301, 78602, 157204, 275107, 550214, 746719, 1100428, 1493438, 2986876, 5227033, 10454066, 20908132]

約数ペア:

[(1, 20908132), (2, 10454066), (4, 5227033), (7, 2986876), (14, 1493438), (19, 1100428), (28, 746719), (38, 550214), (76, 275107), (133, 157204), (266, 78602), (532, 39301)]