20515072

素因数分解:

$2^8\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:774

約数の個数: 36

約数和(自身を含む): 41337856

約数和(自身を除く): 20822784

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 631, 1016, 1262, 2032, 2524, 4064, 5048, 8128, 10096, 16256, 20192, 32512, 40384, 80137, 80768, 160274, 161536, 320548, 641096, 1282192, 2564384, 5128768, 10257536, 20515072]

約数ペア:

[(1, 20515072), (2, 10257536), (4, 5128768), (8, 2564384), (16, 1282192), (32, 641096), (64, 320548), (127, 161536), (128, 160274), (254, 80768), (256, 80137), (508, 40384), (631, 32512), (1016, 20192), (1262, 16256), (2032, 10096), (2524, 8128), (4064, 5048)]