20512768

素因数分解:

$2^{16}\times {\mathrm{313}}^1$

素因数の和:345

約数の個数: 34

約数和(自身を含む): 41156294

約数和(自身を除く): 20643526

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 313, 512, 626, 1024, 1252, 2048, 2504, 4096, 5008, 8192, 10016, 16384, 20032, 32768, 40064, 65536, 80128, 160256, 320512, 641024, 1282048, 2564096, 5128192, 10256384, 20512768]

約数ペア:

[(1, 20512768), (2, 10256384), (4, 5128192), (8, 2564096), (16, 1282048), (32, 641024), (64, 320512), (128, 160256), (256, 80128), (313, 65536), (512, 40064), (626, 32768), (1024, 20032), (1252, 16384), (2048, 10016), (2504, 8192), (4096, 5008)]