20971616

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{15241}}^1$

素因数の和:15294

約数の個数: 24

約数和(自身を含む): 42250824

約数和(自身を除く): 21279208

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 15241, 30482, 60964, 121928, 243856, 487712, 655363, 1310726, 2621452, 5242904, 10485808, 20971616]

約数ペア:

[(1, 20971616), (2, 10485808), (4, 5242904), (8, 2621452), (16, 1310726), (32, 655363), (43, 487712), (86, 243856), (172, 121928), (344, 60964), (688, 30482), (1376, 15241)]