20194644416

素因数分解:

$2^6\times {\mathrm{643}}^1\times {\mathrm{490733}}^1$

素因数の和:491388

約数の個数: 28

約数和(自身を含む): 40136152392

約数和(自身を除く): 19941507976

約数列:

[1, 2, 4, 8, 16, 32, 64, 643, 1286, 2572, 5144, 10288, 20576, 41152, 490733, 981466, 1962932, 3925864, 7851728, 15703456, 31406912, 315541319, 631082638, 1262165276, 2524330552, 5048661104, 10097322208, 20194644416]

約数ペア:

[(1, 20194644416), (2, 10097322208), (4, 5048661104), (8, 2524330552), (16, 1262165276), (32, 631082638), (64, 315541319), (643, 31406912), (1286, 15703456), (2572, 7851728), (5144, 3925864), (10288, 1962932), (20576, 981466), (41152, 490733)]