20339456

素因数分解:

$2^8\times {\mathrm{79451}}^1$

素因数の和:79467

約数の個数: 18

約数和(自身を含む): 40599972

約数和(自身を除く): 20260516

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 79451, 158902, 317804, 635608, 1271216, 2542432, 5084864, 10169728, 20339456]

約数ペア:

[(1, 20339456), (2, 10169728), (4, 5084864), (8, 2542432), (16, 1271216), (32, 635608), (64, 317804), (128, 158902), (256, 79451)]