20501504

素因数分解:

$2^{10}\times {\mathrm{20021}}^1$

素因数の和:20041

約数の個数: 22

約数和(自身を含む): 40985034

約数和(自身を除く): 20483530

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20021, 40042, 80084, 160168, 320336, 640672, 1281344, 2562688, 5125376, 10250752, 20501504]

約数ペア:

[(1, 20501504), (2, 10250752), (4, 5125376), (8, 2562688), (16, 1281344), (32, 640672), (64, 320336), (128, 160168), (256, 80084), (512, 40042), (1024, 20021)]