20747264

素因数分解:

$2^{10}\times {\mathrm{20261}}^1$

素因数の和:20281

約数の個数: 22

約数和(自身を含む): 41476314

約数和(自身を除く): 20729050

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20261, 40522, 81044, 162088, 324176, 648352, 1296704, 2593408, 5186816, 10373632, 20747264]

約数ペア:

[(1, 20747264), (2, 10373632), (4, 5186816), (8, 2593408), (16, 1296704), (32, 648352), (64, 324176), (128, 162088), (256, 81044), (512, 40522), (1024, 20261)]