20172928

素因数分解:

$2^7\times {\mathrm{359}}^1\times {\mathrm{439}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 40392000

約数和(自身を除く): 20219072

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 359, 439, 718, 878, 1436, 1756, 2872, 3512, 5744, 7024, 11488, 14048, 22976, 28096, 45952, 56192, 157601, 315202, 630404, 1260808, 2521616, 5043232, 10086464, 20172928]

約数ペア:

[(1, 20172928), (2, 10086464), (4, 5043232), (8, 2521616), (16, 1260808), (32, 630404), (64, 315202), (128, 157601), (359, 56192), (439, 45952), (718, 28096), (878, 22976), (1436, 14048), (1756, 11488), (2872, 7024), (3512, 5744)]