20421568

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{11003}}^1$

素因数の和:11044

約数の個数: 28

約数和(自身を含む): 41925240

約数和(自身を除く): 21503672

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 464, 928, 1856, 11003, 22006, 44012, 88024, 176048, 319087, 352096, 638174, 704192, 1276348, 2552696, 5105392, 10210784, 20421568]

約数ペア:

[(1, 20421568), (2, 10210784), (4, 5105392), (8, 2552696), (16, 1276348), (29, 704192), (32, 638174), (58, 352096), (64, 319087), (116, 176048), (232, 88024), (464, 44012), (928, 22006), (1856, 11003)]