20390912

素因数分解:

$2^{10}\times {\mathrm{19913}}^1$

素因数の和:19933

約数の個数: 22

約数和(自身を含む): 40763958

約数和(自身を除く): 20373046

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 19913, 39826, 79652, 159304, 318608, 637216, 1274432, 2548864, 5097728, 10195456, 20390912]

約数ペア:

[(1, 20390912), (2, 10195456), (4, 5097728), (8, 2548864), (16, 1274432), (32, 637216), (64, 318608), (128, 159304), (256, 79652), (512, 39826), (1024, 19913)]