20051456

素因数分解:

$2^9\times {\mathrm{39163}}^1$

素因数の和:39181

約数の個数: 20

約数和(自身を含む): 40064772

約数和(自身を除く): 20013316

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39163, 78326, 156652, 313304, 626608, 1253216, 2506432, 5012864, 10025728, 20051456]

約数ペア:

[(1, 20051456), (2, 10025728), (4, 5012864), (8, 2506432), (16, 1253216), (32, 626608), (64, 313304), (128, 156652), (256, 78326), (512, 39163)]