20931584

素因数分解:

$2^{10}\times {\mathrm{20441}}^1$

素因数の和:20461

約数の個数: 22

約数和(自身を含む): 41844774

約数和(自身を除く): 20913190

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20441, 40882, 81764, 163528, 327056, 654112, 1308224, 2616448, 5232896, 10465792, 20931584]

約数ペア:

[(1, 20931584), (2, 10465792), (4, 5232896), (8, 2616448), (16, 1308224), (32, 654112), (64, 327056), (128, 163528), (256, 81764), (512, 40882), (1024, 20441)]