20906423992

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{18800741}}^1$

素因数の和:18800886

約数の個数: 16

約数和(自身を含む): 39481558200

約数和(自身を除く): 18575134208

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 18800741, 37601482, 75202964, 150405928, 2613302999, 5226605998, 10453211996, 20906423992]

約数ペア:

[(1, 20906423992), (2, 10453211996), (4, 5226605998), (8, 2613302999), (139, 150405928), (278, 75202964), (556, 37601482), (1112, 18800741)]