20011136

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{1231}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 40212480

約数和(自身を除く): 20201344

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 1231, 2032, 2462, 4064, 4924, 8128, 9848, 16256, 19696, 39392, 78784, 156337, 157568, 312674, 625348, 1250696, 2501392, 5002784, 10005568, 20011136]

約数ペア:

[(1, 20011136), (2, 10005568), (4, 5002784), (8, 2501392), (16, 1250696), (32, 625348), (64, 312674), (127, 157568), (128, 156337), (254, 78784), (508, 39392), (1016, 19696), (1231, 16256), (2032, 9848), (2462, 8128), (4064, 4924)]