20412416

素因数分解:

$2^{11}\times {\mathrm{9967}}^1$

素因数の和:9989

約数の個数: 24

約数和(自身を含む): 40818960

約数和(自身を除く): 20406544

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 9967, 19934, 39868, 79736, 159472, 318944, 637888, 1275776, 2551552, 5103104, 10206208, 20412416]

約数ペア:

[(1, 20412416), (2, 10206208), (4, 5103104), (8, 2551552), (16, 1275776), (32, 637888), (64, 318944), (128, 159472), (256, 79736), (512, 39868), (1024, 19934), (2048, 9967)]